MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with multiple URLs pointing to compromised WordPress sites. These links likely serve as a lure to redirect users to malicious content or phishing sites, aligning with spearphishing attachment tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://amirep.com/wp-content/plugins/super-forms/uploads/php/files/fb1c01a8e6e7461cb9bb83e1501ad8ac/tasikogotodokokasirefipi.pdf In PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160c564182db68---62398155718.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e166681cb1---23422990028.pdfIn PDF document text
- https://cooperspick.com/files/radefaposikikobodilunuwu.pdfIn PDF document text
- http://www.lnk-creation.fr/upload/file/gezanedexutekanesilibo.pdfIn PDF document text
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/c8059e5ed89c6e8162216250912bb813/zepobaxebotudujipovuz.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/6b8dph63vvumfe43v1jkiptqa6/51697412465.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7577313b2---livadowab.pdfIn PDF document text
- http://frigotechreina.com/userfiles/files/wasanuzuforajukova.pdfIn PDF document text
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c24ed09e75---garovijuregefelos.pdfIn PDF document text
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/uju2mrceh6ka6iob08pn6vqko4/84951652428.pdfIn PDF document text
- https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607c7176f1828---xolijuxoga.pdfIn PDF document text
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/0pciunsjgvspkkc0gb17h1roeb/23751644487.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/a6242c23e1f9f9eb9ea9ac3a728a69f7/worosipugudunutofazu.pdfIn PDF document text
- https://fanaf.comarticle_ressources/file/17734903163.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=find+the+number+of+subsets+of+the+set+having+4+elementsPDF link annotation
- 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_off0000e067.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE067 | 18424 bytes |
SHA-256: c4ab0554f7dab685f009869eaae6f47eeb76f17275c7d9c09478f3441b4e4ac3 |
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font_01_sfnt_off0001119f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1119F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000129b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129B6 | 11160 bytes |
SHA-256: 874b7eeb22738a5f4e79e446dd6429885dfd8a9282d6d278e973a3400d4b1bf3 |
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