Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f6ae4ae14393ed1…

MALICIOUS

PDF

58.1 KB Created: 2021-07-17 17:23:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-23
MD5: ac45e6589d83735a041c58b15eed799c SHA-1: bc568341366413b248d6cbea15bb9b521c9cc1fa SHA-256: 9f6ae4ae14393ed1e701e9afe83ce2e26d640024e1d4ad995e26d10b8fece560
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains numerous links pointing to other PDF files hosted on compromised websites, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery. The document body is heavily obfuscated and unreadable, providing no direct clues to its purpose beyond the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5356

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One 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://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a749694bb81---metazomafidukafuwe.pdf In PDF document text
    • https://mfdesign.hu/files/file/dulobawojagupigijawot.pdfIn PDF document text
    • http://adabaskimerkezi.com/upload/file/wesapegupatezozujutana.pdfIn PDF document text
    • http://alpha-th.com/userfiles/file/67924594403.pdfIn PDF document text
    • http://chuaphucluong.com/uploads/image/files/lovizojugovi.pdfIn PDF document text
    • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/5fiis27c17434mu2tvlak1mmfl/7290573439.pdfIn PDF document text
    • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bb374ecb61f---tifagazedegiwiregozonixif.pdfIn PDF document text
    • http://siembra.me/uploads/files/92440129374.pdfIn PDF document text
    • http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607425b30be00---34280921108.pdfIn PDF document text
    • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed993f8740c---jijebuxi.pdfIn PDF document text
    • http://leadershipcareer.kr/fckeditor/_upload/file/60136155181.pdfIn PDF document text
    • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/2da338e9cfecffff385d2add4be8bd9e/77219157967.pdfIn PDF document text
    • https://adsbudget.net/userfiles/file/27528511071.pdfIn PDF document text
    • http://iamsong.vn/uploads/files/lagukiwodamosok.pdfIn PDF document text
    • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/e7a295cec7388b02938cf46bc7ee7ca3/gipiduxuwutezowen.pdfIn PDF document text
    • https://pearproperties.in/userfiles/file/4420143830.pdfIn PDF document text
    • https://jbdclothiers.net/emailer/userfiles/file/boseguxegabugapo.pdfIn PDF document text
    • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/eb49342820b08e177ce84ba2bdbb634c/60494846290.pdfIn PDF document text
    • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b776a802bab---lalapaxamugedisakumobana.pdfIn PDF document text
    • http://karat-dobremiasto.pl/userfiles/file/66364941454.pdfIn PDF document text
    • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6566ab729---wagobokojexenilepaxozenox.pdfIn PDF document text
    • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/f64c7168954fef5f011c5206cd48429f/bakisizivesusumawus.pdfIn PDF document text
    • http://maxtarget.by/ckfinder/userfiles/files/woxorozaf.pdfIn PDF document text
    • https://stradatextiles.com/upload/ckfinder/files/58870911028.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=in+the+beginning+god+created+manPDF link annotation

Open this report in the interactive analyzer, or submit your own file for analysis.