MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to compromised CMS upload storage and disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://philabc.ru/uplcv?utm_term=operating+system+5 PDF link annotation
- https://www.pension-chevaux-haras-gabereau.fr/ckfinder/userfiles/files/76555984554.pdfIn PDF document text
- http://chayka-svg.ru/files/memunilumodugovi.pdfIn PDF document text
- http://agriturismolataggiasca.eu/userfiles/files/muzesa.pdfIn PDF document text
- https://kattliv.com/kattliv/admin/userfiles/file/kufosikovu.pdfIn PDF document text
- http://xn--9i1b14l32gg2dsybq3b.com/upload/fckeditor/file/43018718977.pdfIn PDF document text
- http://someteme.com/archivos/_20210908062543.pdfIn PDF document text
- http://wildpflanzen-planung.de/file/92591381099.pdfIn PDF document text
- http://ibshop.gr/uploads/_uploads/files/zikarepaxizur.pdfIn PDF document text
- http://canadianrockies.info/files/file/4407049069.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/25249f570c86b77be1d83de247c6a887/xebokowesixupinizo.pdfIn PDF document text
- http://jlm-kg.com/uploads/file/dupatisomonazex.pdfIn PDF document text
- http://tradingcall.in/ckfinder/userfiles/files/92144698317.pdfIn PDF document text
- https://congnghieptauthuyvietnam.vn/upload/files/seribudolosatawa.pdfIn PDF document text
- https://eventpro-kontraktorpameran.com/uploaded/files/71876286130.pdfIn PDF document text
- https://numen-wow.com/userfiles/cloud/files/39221836311.pdfIn PDF document text
- https://brune-schmuckwerk.de/ckfinder/userfiles/files/bakakijixatamex.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613caa641270d---dapubiwelotogogosodew.pdfIn PDF document text
- https://natatourism.com/userfiles/files/mewejezarufuguwozugosu.pdfIn PDF document text
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/6e1e68f88b5b4b8aa854a7ff8cbcfc94/vapexusota.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/1233812289.pdfIn PDF document text
- http://dalieuht.com/app/webroot/uploads/files/suvozot.pdfIn PDF document text
- http://ropesadventure.com/d/files/86369013764.pdfIn 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://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_off0000b6d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6D2 | 10700 bytes |
SHA-256: 1b5b6fe0e6e15449dab3f1a86471c8069706c7304b219b63dfa54975f65dc6bd |
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font_01_sfnt_off0000cf82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF82 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e794.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE794 | 15316 bytes |
SHA-256: 967cca4e1cd8d5c18424f49457e064dea1ee4e797fb1a51054d94ca325b8b191 |
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