MALICIOUS
144
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains embedded JavaScript and external URIs that redirect to a URL associated with phishing lures, specifically offering 'free printable letter f coloring sheets'. The ClamAV detection and heuristic firings indicate this PDF is malicious, likely designed to exploit vulnerabilities or deliver a payload via the linked content. The embedded JavaScript and the nature of the redirector suggest an attempt to execute malicious code or lead the user to a credential harvesting page.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3879
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://yoyep.co.za/XSRYdR1H?utm_term=free+printable+letter+f+coloring+sheets PDF link annotation
- http://www.salda.lt/saldus/kcfinder/upload/files/58511688872.pdfIn PDF document text
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/161374ac41e74b---kasuvorozabul.pdfIn PDF document text
- https://ecoquimica.cl/dinamicos/uploads/file/35480180862.pdfIn PDF document text
- http://alfonsoguiggiarchitetto.it/userfiles/files/radifanujoxam.pdfIn PDF document text
- http://przychodnia-felinskiego.pl/uploads/editor/file/xoxupobovasonitoxara.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/f31a176af6b8dd4cec15330e301f1267/45778270253.pdfIn PDF document text
- https://webornate.com/viking1/uploads/files/99802837526.pdfIn PDF document text
- http://telangana99.com/userfiles/file/16681012440.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/e254245603bab7b77ac0f935f08e4f11/98164724221.pdfIn PDF document text
- http://progressive-auto.ru/app/webroot/js/kcfinder/upload/files/girivoxonow.pdfIn PDF document text
- http://daphongthuyhueminh.com/uploads/image/files/kezonefubujemosotazarus.pdfIn PDF document text
- http://legrand-etika.su/kcfinder/upload/files/71285697182.pdfIn PDF document text
- http://telek-trans.hu/editor_up/fewezokefasivazeseg.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/b87c09f98ac96106e897d2d7b80545ab/gezivum.pdfIn PDF document text
- https://whereestar.com/marinarubicon/admin/file/4304410021.pdfIn PDF document text
- https://trungtamgiasuhcmmq.com/uplaod/quangtri/files/6324081685.pdfIn PDF document text
- http://veterina-naslunci.cz/userfiles/file/fubopelex.pdfIn PDF document text
- http://treeoflifetolfu.com/clients/0/07/07f122ebb3396bb3f917f2e62af81596/File/duzuzenuzorarudon.pdfIn PDF document text
- http://greenegiving.aboutgiving.net/sites/default/files/editor/file/foxanezupodi.pdfIn PDF document text
- http://joy05.com/_UploadFile/Images/file/38181537349.pdfIn PDF document text
- http://applyforloansnow.ca/site-uploads/nesusovamuxexidid.pdfIn PDF document text
- http://xn--80age2amlc.xn--80adxhks/pics/images/file/38933371376.pdfIn PDF document text
- http://ecohort.com/userfiles/files/wotapokipubujinoliga.pdfIn PDF document text
- https://basealimentare.it/webroot/files/fck_uploads/File/26031471879.pdfIn PDF document text
- http://dallapietamarchisio.it/userfiles/files/90460177500.pdfIn PDF document text
- https://tarsiman.ee/files/file/manikedu.pdfIn PDF document text
- https://peoplehelppeople.net/uploads/File/68709181909.pdfIn PDF document text
- https://alzubidi.com/userfiles/files/nepaz.pdfIn PDF document text
- http://desushibar.com/userfiles/file/kunewigenizutokix.pdfIn PDF document text
- http://cppzone.ru/users/blogs/file/pazad.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f6ac5718808---26649616912.pdfIn PDF document text
- https://3zslitomysl.cz/admin/editor/kcfinder/upload/files/45161854186.pdfIn PDF document text
- https://lombardpruszkow.pl/local/userfiles/file/40122712716.pdfIn PDF document text
- http://togul.org/sites/default/files/file/68120286579.pdfIn PDF document text
- https://isagrinio.gr/userfiles/xagiwafarumabu.pdfIn PDF document text
- https://ij-ph.com/admin/SchoolFiles/files/5854763031.pdfIn PDF document text
- http://markone-tools.com/upload/files/20414652007.pdfIn PDF document text
- http://tesorosdelayer.es/imgs/images/files/93565622521.pdfIn PDF document text
- https://pachetedeturism.ro/images/files/47257692729.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0007ed0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ED0A | 17616 bytes |
SHA-256: e99b1dd8ce59f52b8a95d7908e31adc6d48d990254f82487d3bd52b493529698 |
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font_01_sfnt_off00081ada.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81ADA | 10876 bytes |
SHA-256: 291a3278545f0fd8bb5b5806a86c3deece635487ccc9e0606b3996e1db5805d5 |
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font_02_sfnt_off000833ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x833AB | 16560 bytes |
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9 |
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