MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories, presents a deceptive download button and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 8
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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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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c953ff7cd80---fazewunaju.pdf In PDF document text
- http://mlead.net/images/e/file/fefolepikimak.pdfIn PDF document text
- http://bakineshr.az/ckfinder/userfiles/files/xalakakid.pdfIn PDF document text
- http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/24934826877.pdfIn PDF document text
- http://www.petersonassoc.com/emailimages/file/97560913561.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161267ce93f18f---mewewakopatez.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d12260bc50---77709219690.pdfIn PDF document text
- http://limoride.net/gallery/file/misapoturomaje.pdfIn PDF document text
- https://underworldgear.com/upload/users/files/45397714545.pdfIn PDF document text
- http://studiotecnicoprato.eu/userfiles/files/gezidipunofimidobezetu.pdfIn PDF document text
- http://myucmas.com/userfiles/file/80235017358.pdfIn PDF document text
- http://tolltisztitas.eu/userfiles/files/91184246636.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/076a874889f5c55b331c9887905acf7f/leruwolotuxafuwewu.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a18379d5c5d---9900291166.pdfIn PDF document text
- http://vizit-k.net/uploads/editor/files/81107566984.pdfIn PDF document text
- http://ahdongjiu.com/upload_fck/file/2021-6-5/20210605074857504731.pdfIn PDF document text
- http://fairbank-ia.org/admin/ckfinder/userfiles/files/6476184206.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/a24c42146f415fd136db2b565003310c/nozojuxufemuju.pdfIn PDF document text
- http://blueyee.com/upload/file/280313404486.pdfIn PDF document text
- http://codefon.hu/js/ckfinder/userfiles/files/28520290395.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/bk7i6s5smi8hl07n3b9uuupi36/zixefinusomixa.pdfIn PDF document text
- http://montpellier-business-plan.fr/mbp/upload/images/images/upload/ckfinder/zebedasizipirajaf.pdfIn PDF document text
- http://a1climbing.com/userfiles/files/famolulikafuxarez.pdfIn PDF document text
- https://laptopserwis.com/app/webroot/media/files/jivugewunu.pdfIn PDF document text
- http://lamorenj.com/userfiles/file/21216330484.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=ripasso+inglese+b2+pdfPDF link annotation
- 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_off00010d0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D0C | 19460 bytes |
SHA-256: 5994ee385436e7a3052ceb2fb36ac277de2233857e2fd70113ad33e11f9ca06f |
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font_01_sfnt_off00013f73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F73 | 10780 bytes |
SHA-256: 2f9ef351ecbc4bbd970cd072882a553dccadb3d15cd81aa38fed923107ce6f59 |
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font_02_sfnt_off000157f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x157F5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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