Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d07a0b25653735c…

MALICIOUS

PDF

52.6 KB Created: 2021-09-16 17:02:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-26
MD5: c7622df462979e8eb34500b83553f55e SHA-1: 68320410d7502f0db72efb7b55d29136892f054e SHA-256: 7d07a0b25653735c0fd80276a4d57dedaa69e26268fae6e88916bbc5eb9113be
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by ML classifiers and ClamAV as malicious, with heuristics indicating it is a link farm on disposable hosting. The embedded URLs and the PDF structure suggest an attempt to redirect users to potentially malicious content, likely for phishing or malware distribution. No scripts were extracted, but the PDF's nature points towards a common phishing or malware delivery vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8711

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://cannamelis.com/userfiles/file/81204895175.pdf In PDF document text
    • http://residenzaeden-albisola.com/userfiles/files/81926474436.pdfIn PDF document text
    • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16131086ccc9b1---68251641274.pdfIn PDF document text
    • http://brandnewgoods.net/userfiles/file/bizesavugawifamulada.pdfIn PDF document text
    • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613bbde2116fe---kemaduju.pdfIn PDF document text
    • http://myphamasia.net/upload/files/robopa.pdfIn PDF document text
    • http://asoriofrio.org/ckfinder/userfiles/files/mafolidoz.pdfIn PDF document text
    • http://www.hzkontejnery.cz/ckfinder/userfiles/files/32722789972.pdfIn PDF document text
    • https://roshnaai.com/ckfinder/userfiles/files/xidukexibiwoloxabok.pdfIn PDF document text
    • http://gzhangqin.com/uploadfile/files/36778700036.pdfIn PDF document text
    • http://dreamcatcherltd.com/userfiles/file/veziwiwibekovafa.pdfIn PDF document text
    • http://ourgans.org/userfiles/files/67322023179.pdfIn PDF document text
    • http://begemot-rus.com/uploadfiles/file/2021091105434973499.pdfIn PDF document text
    • http://vlaamspatientenplatform.be/_plugin/ckfinder/userfiles/files/90401420878.pdfIn PDF document text
    • http://nt-module.ru/ckfinder/userfiles/files/jadigewogexonewexerasegup.pdfIn PDF document text
    • https://eseninternational.com/uploads/files/77404049881.pdfIn PDF document text
    • http://veitali.com/upload/files/1533059756.pdfIn PDF document text
    • http://www.hgbehringer.de/img/files/files/dezonizof.pdfIn PDF document text
    • http://saothienemb.com/uploads/images/files/82920564750.pdfIn PDF document text
    • https://wspaperbag.com/userfiles/file/rojomiku.pdfIn PDF document text
    • http://sinsg.com/files/fckeditor/file/51536426636.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=wifi+password+hackerPDF link annotation