Malicious PDF — malware analysis report

Static analysis result for SHA-256 60af47a1b90cffaf…

MALICIOUS

PDF

54.0 KB Created: 2021-09-09 11:45:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-22
MD5: 0391d0e82c36186a4324241362ea85e4 SHA-1: c29e30511e4052a5a61eaf58aa425ac4776e78ad SHA-256: 60af47a1b90cffaf6ee35fb46bd9c51259f7ed1ed52934f3a95867f43973122c
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file is identified as malicious by ClamAV and contains multiple heuristics indicating it functions as a link farm. Several URLs point to potentially compromised websites or disposable hosting, suggesting an attempt to redirect users to malicious content. The PDF structure and embedded links strongly suggest a phishing or malware distribution vector.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.2555

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://gesundheit-im-blog.de/userfiles/file/lofogozupifelozetujibawir.pdf In PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161341883e8bef---pomigazutoj.pdfIn PDF document text
    • http://npas.ru/pic/file/lunofusa.pdfIn PDF document text
    • http://satyamtracparts.com/userfiles/file/tagesulovolezakelodonafu.pdfIn PDF document text
    • http://3bbb.fr/ckeditor/upload/files/71453819894.pdfIn PDF document text
    • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/ad13ilj6i1gjohsjg539has6j0/78221783045.pdfIn PDF document text
    • http://mexxeopaint.com/upload/files/dogifexunazugaxalatawoze.pdfIn PDF document text
    • http://salman-group.com/userfiles/file/vosolofosuketudole.pdfIn PDF document text
    • https://comfort8889.com/upload/files/webotes.pdfIn PDF document text
    • http://kaizenlife.com/ckfinder/userfiles/files/fobemogomip.pdfIn PDF document text
    • http://thepnguyentran.com/media/ftp/file/dofaf.pdfIn PDF document text
    • https://hopclickhospitality.com/scgtest/team-explore/uploads/files/derajidobipalewul.pdfIn PDF document text
    • https://stephankeppel.com/userfiles/file/deretizab.pdfIn PDF document text
    • https://institut-arabe.org/ckfinder/userfiles/files/voxenuwizulutexinib.pdfIn PDF document text
    • http://fli.edu.mn/ckfinder/userfiles/files/49064944564.pdfIn PDF document text
    • https://heritagecambodiatravel.com/userfiles/file/89017565826.pdfIn PDF document text
    • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613382d127c66---janupijonafozunavefi.pdfIn PDF document text
    • http://beiwendq.com/data/attachment/file/86890139216.pdfIn PDF document text
    • https://www.bnbtravels.com/ckfinder/userfiles/files/5664867639.pdfIn PDF document text
    • http://purofirstli.com/userfiles/files/50871935675.pdfIn PDF document text
    • http://idominjazz.com/fckeditor/userfiles/image/zozes.pdfIn PDF document text
    • http://burragebrothers.net/demo/jolie/beta/userfiles/files/zosafadines.pdfIn PDF document text
    • http://andreuma.madteam.net/ckfinder/userfiles/files/losasogesonu.pdfIn PDF document text
    • http://hoitruyengiaocodocvietnam.com/uploads/image/files/51907882668.pdfIn PDF document text
    • https://mut-zur-veraenderung-hambuch.de/userfiles/file/81160302647.pdfIn PDF document text
    • http://www.mezmat.ru/ckfinder/userfiles/files/dovatinitosixonedekofe.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=watch+greyhound+2020+putlockersPDF link annotation

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