MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery. The embedded JavaScript is a common technique for executing malicious code or initiating further downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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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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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://crewmak.ru/uplcv?utm_term=cool+things+to+add+to+a+minecraft+world PDF link annotation
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16132bdd93cc34---fulozetelirapiwulone.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161405fbddcb80---92202381685.pdfIn PDF document text
- https://onderhoudnlgarantie.nl/upload/file/sawuwuxewixumasatop.pdfIn PDF document text
- http://geodeslaboratori.eu/userfiles/files/58677511545.pdfIn PDF document text
- http://xhzhengli.com/upload/70801169891.pdfIn PDF document text
- http://peneleos.pl/userfiles/file/juburuwekebot.pdfIn PDF document text
- http://i-harmonics.com/upload/files/bukasikenesugururerutex.pdfIn PDF document text
- https://arnetbilgisayar.com/upload/ckfinder/files/sopudujove.pdfIn PDF document text
- https://charterfori.ir/basefile/charterforiir/files/70116076036.pdfIn PDF document text
- http://nadiadsa.org/userfiles/file/31123091483.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/q1af6a543jg0tue2upi9as3jq2/dijijokamurosozarimasaj.pdfIn PDF document text
- https://www.totalblissbeauty.com.au/application/third_party/ckfinder/userfiles/files/loguwalanabo.pdfIn PDF document text
- http://wcsps.com.tw/ckfinder/userfiles/files/52539717569.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1614534f50fa01---48862057006.pdfIn PDF document text
- https://lifesmart.lifesmart.ro/ckfinder/userfiles/files/69834789173.pdfIn PDF document text
- http://aluminial.pnh.pt/js/ckfinder/userfiles/files/53791853164.pdfIn PDF document text
- https://rafautama.com/uploads/file/zonenejojiw.pdfIn PDF document text
- http://dainichiji.com/upload_ckr/files/tulogeveniluwigib.pdfIn PDF document text
- http://avstralianature.ru/ckfinder/userfiles/files/40141531238.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/0a0ba012d88b0c052a14bb19766c5f5b/sidopena.pdfIn PDF document text
- http://cravaluos.com/ckfinder/userfiles/files/zibupilesefiwajavolipu.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613faa5fdd4e6---zemefiguniwajesonu.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://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_off0000b0b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0B4 | 11040 bytes |
SHA-256: ff557903e65b0422e2d43d34bd53aa13c08cf6a6dff72bf82f4df430022aead7 |
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font_01_sfnt_off0000ca0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA0F | 15716 bytes |
SHA-256: 1619c9f4644a8d2c825005dfd26a8cd5e94bbd0fefca6ade8d069e4c147ff651 |
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font_02_sfnt_off0000f205.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF205 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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