MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple URLs hosted on compromised WordPress sites. The embedded URLs suggest an attempt to direct users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/4cd65a061703990a5b8326d0a2f7df31/fizazanibegulipijula.pdf
- https://bjjewels.net/nbloom/fckuploads/file/49252668457.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ca6f2d298---19697918164.pdf
- http://hasici-pristroje-eshop.cz/files/file/48611844240.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1606d442056e94---94164351255.pdf
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aed7ecd0055---99856183027.pdf
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607eada491ea1---67976841586.pdf
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/fa5f3af9f62c8535bf855dcb6d3cabc8/68893616627.pdf
- https://psg66.ru/admin/ckfinder/userfiles/files/xunudubebad.pdf
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f9c8d308ee---40749111365.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/rrls21v3p2s8ghmhhn0kc8og5n/83931406183.pdf
- http://grafiport.com/userfiles/file/jadabibagafudimudojedekev.pdf
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/0e4ce84b914bcb9cbf2bc050c0e1c22d/segotapofoxezorixabup.pdf
- http://vervesimuhub.com/userfiles/file/8193787672.pdf
- http://maychamsocda.vn/images/userfiles/file/34477322804.pdf
- https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/d64e75e41b3d13251df04f09ca2d55d5/xagaw.pdf
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/3f7kk51u2r3aqissvleakt7ofs/53402203219.pdf
- http://erbaytag.com/resimler/files/dejiselureg.pdf
- https://baobihungphu.com/media/ftp/file/25936743236.pdf
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/dc219e986ce10340102b9c1ae3073a22/56170575482.pdf
- http://renovator.cz/files/file/navenajurixokebudutiti.pdf
- http://ankurgroups.com/userfiles/file/76219249561.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=discuss+synonyms+in+english
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010fac.bin301c1ce5d9235c684535c2f8d54e47fec5f6b5d217efcb92ce0e13f9d644fa6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FAC | 10532 bytes |
font_01_sfnt_off00012774.binc30c7952445a3ac602f4c613b4326b65015f610a61314e2a42a43eedcfd0ddce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12774 | 17488 bytes |
font_02_sfnt_off00015579.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15579 | 16792 bytes |
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