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 are part of a link farm hosted on compromised or disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://wastran.ru/uplcv?utm_term=it+could+happen+to+you+watch+online+free PDF link annotation
- http://drsrkbedcollege.com/ckeditor/ckfinder/userfiles/files/47769343477.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/bada8725f50f52b190814ab6aab4f50c/nituwenidoburakew.pdfIn PDF document text
- http://nguoigiupviec99.com/webroot/img/files/dijozivemogubefox.pdfIn PDF document text
- http://cecev.com/stockages/files/soxupogepus.pdfIn PDF document text
- http://tetrafluoro.com/upload/files/bedezapimu.pdfIn PDF document text
- https://phu-komplex.pl/pliki/file/14354252985.pdfIn PDF document text
- http://world-green-hope.com/uploads/files/43464114259.pdfIn PDF document text
- http://decoworld.in/dayafter/uploadimages/newsimages/file/2700155602.pdfIn PDF document text
- https://apra.pl/files/file/rexoxiwa.pdfIn PDF document text
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/26067b02d2cef82d25212dde51a47c63/82229109405.pdfIn PDF document text
- http://becucci.it/userfiles/files/34773248348.pdfIn PDF document text
- http://vswet.ru/f/kixud.pdfIn PDF document text
- http://tomboy2.com/images/library/File/rujabojoku.pdfIn PDF document text
- https://ntiverification.com/userfiles/file/wubutapebi.pdfIn PDF document text
- https://traiteur-troyes-mariage-buffet-aube-10.blaisot-traiteur.fr/ckfinder/userfiles/files/kojigadine.pdfIn PDF document text
- http://spalovnachemolak.sk/userfiles/file/91623441512.pdfIn PDF document text
- https://e-tta.com/app/webroot/userfiles/files/viditadurakopuzitawelevan.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d1213ca87e---56597265867.pdfIn PDF document text
- http://mixmarketing.vn/upload/fck/file/83471232119.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16152bf263eb31---mitogug.pdfIn PDF document text
- https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/58016267134.pdfIn PDF document text
- http://harposwebdesign.nl/app/webroot/files/userfiles/files/98178251605.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_off0000affa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFFA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c80c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC80C | 14760 bytes |
SHA-256: 66dcc7607dc5f7bcfbe22dea34575eccabcefc69ff8cd717ba425fc4771606d3 |
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font_02_sfnt_off0000ed30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED30 | 10800 bytes |
SHA-256: a8b12e69f035be83087cd069a32cd17af7d9d10fcc1bc2927349dcf553a68e46 |
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