MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to download further content from compromised WordPress sites, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the PDF structure and embedded URLs point towards a social engineering attack.
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://queure.ru/uplcv?utm_term=download+al+ma%2527tsurat+pdf PDF link annotation
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/febbd06b227fd059bf8c42b15af8444e/dotazanafawujefiv.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc0046e2578---nofejos.pdfIn PDF document text
- http://jorkurojus.com/userfiles/file/11257245831.pdfIn PDF document text
- http://sacoorhealth.pt/site/upload/file/37971840071.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/6324a5e9c8da6638bb9511ffb98b1bc2/nexelizijusunifarax.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/nu5sbplkt9k2sheanltr4bmoc7/80003618552.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/c139jp2t8pfbptjkksi4rtalk1/28005824262.pdfIn PDF document text
- https://kanalprofi.at/UserFiles/file/23134061524.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079ef8d89cf1---82194232500.pdfIn PDF document text
- http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/dinowadere.pdfIn PDF document text
- http://28777886.com/Lpf/UPFILE/userfiles/files/wuvimebama.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a35b134438d---panemixexunevesumoj.pdfIn PDF document text
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609191f531a2f---29911688686.pdfIn PDF document text
- http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160934832f28c6---93630936854.pdfIn PDF document text
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/u97ntbqslamtag5rfhjciml9u0/49572572199.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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_off0000cd30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD30 | 5028 bytes |
SHA-256: 6e6157607c057ae71127fc8b443f080b8fe564914c4b30d824c2a4f22c8f5ce0 |
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font_01_sfnt_off0000de45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE45 | 10564 bytes |
SHA-256: ef5327a29a15885dd0e27872905fc6aca21fdadef31b39fdd132b42ab74bb263 |
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font_02_sfnt_off0001029e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1029E | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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