MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or conduct phishing operations. Although no scripts were explicitly extracted, the PDF structure and URL patterns are indicative of a malicious lure designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://laborke.ru/uplcv?utm_term=sea+to+summit+tyvek+ground+sheet
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7bb1e468e---wofador.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/f6d95c8e43145d83185f93e488a32f9c/92790478979.pdf
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/3631ac14b7d66b095821ed4b986f0c67/41530408472.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609841384b913---30053766282.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608850d018187---9340942382.pdf
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160822aa4d4723---16986256730.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16093e1aebd31c---31461052041.pdf
- https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/rh0tqij8186l3jhgqpib6ijli2/dulanokuroruwizudiwexo.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c0cadeb4559ee4f56ebbecc0c1a3d1c2/17199506182.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/fd780de60398f0992cae84acb4be232d/mupatil.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607778cfe1a92---vilowukefekumipidatara.pdf
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/8beeac7c2e8d27bf3fb1edd5bdb2bbfe/36409756434.pdf
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608076789b969---vetapegiletoxojamoguj.pdf
- https://aawyx.com/sites/default/imageuser/file/80387752576.pdf
- http://ahkjt.com/upfile/file/39700911613.pdf
- http://oreade-breche.fr/userfiles/file/95185735943.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cc8e.bin7d8d1e507da5869019a7f90f2f9efca9f3f68bbe5475bdeefea6ee7b10ce9470 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC8E | 5536 bytes |
font_01_sfnt_off0000df3e.bin71b38d7bbd3f9742ce9a0bda7dd86c9d8408fe8413dc69e95eab3a099c1200fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF3E | 14812 bytes |
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