MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm pointing to compromised WordPress sites, disguised with a lure for downloading MP3 files. This pattern is indicative of phishing or malware distribution, aiming to trick users into clicking malicious links. The presence of multiple external URIs and a high ML classifier score support this assessment.
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=shawn+mendes+in+my+blood+download+mp3 PDF link annotation
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b17eb7ca45---wapewajiluzawozodubed.pdfIn PDF document text
- https://chiataiec.com/userfiles/Proj_Name//files/50400751677.pdfIn PDF document text
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/pnvoht283jr0ra0shkaikqohj6/baxisafexamututigimi.pdfIn PDF document text
- http://www.siscbolivia.com/admin/uploaded/fck/file/lupivunalenaweguk.pdfIn PDF document text
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/a78f962e6cd0494a15701eba08ec0a91/watomuxi.pdfIn PDF document text
- https://acrgroup.nl/userfiles/file/64825431430.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609625e417f9a---12550327614.pdfIn PDF document text
- http://ghhs1968.com/clients/5/57/5762190d0a265df614d1f295a7060a42/File/zodefitas.pdfIn PDF document text
- http://irishheritagesociety.net/clients/7/7f/7f3653e4c5d791bf76f28d2bf9929747/File/tosipelakadopoba.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160748c32aa06d---28372032479.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160892e3f8032a---tivebexuxaw.pdfIn PDF document text
- http://greenld.com/userfiles/vetexenovozazosugepimodob.pdfIn PDF document text
- http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/irfgm3764o1an5akghb7s8u0jb/79376362489.pdfIn PDF document text
- http://investin-khj.ir/ckfinder/userfiles/files/4878690815.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/dd36161f9ad00aac477de2a8f665b874/zerubuw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c156.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC156 | 4724 bytes |
SHA-256: 54c452f7274ffd3cea13ca99d9575802b8d6d595a5caa1ac07ec9650e324fea5 |
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font_01_sfnt_off0000d1a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1A2 | 5704 bytes |
SHA-256: 7de1f250ca1030f00c1f644953cc1cf35a559cb8cdb6a587461e1756dc63b9b1 |
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font_02_sfnt_off0000e4fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4FD | 11068 bytes |
SHA-256: 098884b8e85cd940b00844cfca5d72584650182a8669b8ae7bbb7f0fa813eae9 |
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