Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ffd1257a444693b…

MALICIOUS

PDF

69.3 KB Created: 2021-07-25 08:17:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: 711c29563bd639969bbe85b91d2245d1 SHA-1: e607199e65bfed72b7fc7f0e375035b8a8e93e28 SHA-256: 3ffd1257a444693b53352ae982afc0cc16d8e648af9f77ed01f666c2551bb23c
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected by ClamAV as Pdf.Phishing.Trojan. It contains numerous embedded URLs that point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the nature of the detection indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4465

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 http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160f375576376c---ritozupoviguw.pdf In PDF document text
    • https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/1590pd9buipnp0kbtosa8i8uk4/30647743425.pdfIn PDF document text
    • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/meq7ur83memv3ip6l923dpm65s/95359514856.pdfIn PDF document text
    • http://koszyczarek.pl/userfiles/file/61765503364.pdfIn PDF document text
    • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/f56dnqtnhkalef907ul1g17u59/80018508104.pdfIn PDF document text
    • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ab3a76c7c7f---52208902473.pdfIn PDF document text
    • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5852fbb3e9---45593731390.pdfIn PDF document text
    • http://skiflogistics.ru/userfiles/file/87564684576.pdfIn PDF document text
    • https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/d51723ddda06d4e9bfc12fe91814a620/vijimasubuxoloxivasu.pdfIn PDF document text
    • http://woodwork.pl/ubezpiecz/obrazy/file/94439357508.pdfIn PDF document text
    • http://www.sec-ollivier-associes.fr/www/upload/file/11402278417.pdfIn PDF document text
    • https://augsburger-dartliga.de/uploads/file/litamo.pdfIn PDF document text
    • http://weingut-suppan.at/files/41442550334.pdfIn PDF document text
    • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9a5f63e97---wekatigobewepori.pdfIn PDF document text
    • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160777f1a28a3c---misuzor.pdfIn PDF document text
    • http://bright-mineral.com/uploadfile/file/2021060312500317.pdfIn PDF document text
    • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/4guc94alr4kmei9c3eltbfqs97/votiwujulupiz.pdfIn PDF document text
    • https://www.ideaklinikizmir.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607332f39a6ea---povawozilir.pdfIn PDF document text
    • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/72cqcuutg9boheh5e6p524mkn1/80766556200.pdfIn PDF document text
    • http://women-for-marriage.com/ckfinder/userfiles/files/gorobuxiropanit.pdfIn PDF document text
    • http://aldara-latinoamerica.com/userfiles/file/4905528105.pdfIn PDF document text
    • http://ahdjcm.com/upload/files/70066306083.pdfIn PDF document text
    • http://hy-concrete.ru/d/files/jakabanekivun.pdfIn PDF document text
    • https://binarbaidfabrication.com/public_html/userfiles/file/56317512278.pdfIn PDF document text
    • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/7a6d6cdd12be58df276ab175728b7dfb/78294403579.pdfIn PDF document text
    • http://slp72.com/clients/7/7b/7b902bee17765b19ebdde6030f24742d/File/vakotipenujusojaderami.pdfIn PDF document text
    • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d8708ebea5---fefuzopibewerowevurojik.pdfIn PDF document text
    • http://patokapugsnkisses.com/clients/61143/File/71116137461.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+3+star+th12+war+basePDF link annotation

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