MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress upload directories and disposable hosting. These links likely serve as lures for phishing or to distribute further malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160e50143dbca4---46256962305.pdf
- https://ganganagardentist.com/userfiles/file/zarijuvaxiziludekuravute.pdf
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608431085c60c---28175444344.pdf
- http://omnoiptv.com/outscapes/admin/ckeditor/uploads/ck/files/gepumekevotomijofosoxe.pdf
- http://balbu.hu/uploads/news/file/51854171300.pdf
- http://gymostrov.org/gymostrov/userfiles/file/17832655471.pdf
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/415220815ff59c5a23f5e273af8dbea0/41288591707.pdf
- http://regimhotelierbucuresti.com/images/userfiles/ludejugeto.pdf
- http://guojingmall.com/userfiles/file///kufiditix.pdf
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16107c00a33833---38411711280.pdf
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16097e778746db---3062691910.pdf
- http://dichvubaove.online/upload/files/fuwake.pdf
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072937936121---vesap.pdf
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/6c85d3eba0aa82e6d5228b2b9ece8ff2/pisure.pdf
- https://www.bramfordgc.co.uk/ckfinder/userfiles/files/gelesen.pdf
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/c5487cc10fc731bfa674de94056609ea/767635007.pdf
- http://www.ktgroup.co.uk/ckfinder/userfiles/files/19817391676.pdf
- https://asset-books.com/userfiles/file/19747338207.pdf
- http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090501164ea7---13803802738.pdf
- http://sk4education.com/ckfinder/userfiles/files/xudodafezelina.pdf
- https://marljivo.hr/userfiles/file/sevumurimil.pdf
- https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/4608b1cbba0c3d5376c4d6642f639f9a/86086807980.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=types+of+leadership+ppt
- 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_off0000d3a0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3A0 | 16792 bytes |
font_01_sfnt_off0000ebb7.binfdc5601dc6c09ae3579438eee5798e9b4582c5b96306d3c6ea79b096e997d247 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBB7 | 10568 bytes |
font_02_sfnt_off000103fb.bin98ddb472e6708e62993a1417ba8bc023943274e86d172780e88ae6ca866ccca0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103FB | 16868 bytes |
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