MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the nature of the link farm indicate an attempt to redirect users to external malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://theatresaucinema.fr/uploads/file/fumegimizawujakokubow.pdf
- http://playbabydoll.com/userfiles/file/36547173395.pdf
- http://bradleyhillsapartments.com/demo/uploads/contents/file/bujafonukofew.pdf
- https://paklya.su/design/img/upload/file/96268027858.pdf
- http://france-ex.com/images/blog//file/44861485034.pdf
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/6c1c974239545e86109e7bb79e18e76f/82731526517.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607035353ca43---nefugisijepewononafopudev.pdf
- http://rauvuonsach.net/images/uploads/files/86017985205.pdf
- http://hrzservices.com/uploadfiles/file/kelozumoramelon.pdf
- https://angelsstaff.com/uploads/file/23886951767.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/a6265962eeed6b86f96364ef58677a41/17332842930.pdf
- http://www.emailposte.com/pictures/rixotukuzaxanil.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd665f47898---40502423041.pdf
- http://jarosi.hu/files/file/puvagopuxaj.pdf
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/7c1a75f82c9a484a88883b42c9f2e2f6/kamibetezimawelekusi.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/cge0hhqhsqvolcl3cep79qk0v0/41333931289.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/8bj6ahjgi5j61vlh16tkg4b744/finupuzesafezutofuvizoz.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf3e059058---27269537925.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/41glteiu3dguo9kivms47ttdg4/xajomofanuroviloj.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/0d31b04c3c749b5d7c86dd74afd2d670/33392690737.pdf
- http://innova-perila.ru/upload/files/detag.pdf
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/b3td6m8hci3m3vohe4cp5ql2bf/sajesagepofovobazapufev.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5feff21a9---sarup.pdf
- http://zigzagontwerp.nl/sites/default/files/file/83364483341.pdf
- http://tubietelbar.hu/uploadfile/35128230961.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=x+ray+patient+positioning+manual
- 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_off0000fa6b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA6B | 16792 bytes |
font_01_sfnt_off00011282.bin1d7506f6a853f722eab7e743c0dd1243d5140e62e5a1047bd91f9b76690c4501 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11282 | 10816 bytes |
font_02_sfnt_off00012b74.binc23f19b32ebf8035ed8b8f38b5f72ee73ff61d16babe67dddfb505cb8a76118d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B74 | 17064 bytes |
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