Malicious PDF — malware analysis report

Static analysis result for SHA-256 27b4236057d657fa…

MALICIOUS

PDF

70.6 KB Created: 2021-09-16 03:16:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: b012600d257274a8aaa5de81f4e034ba SHA-1: c75e189182df9e2b7d0b9da695846fea8fcd5fdc SHA-256: 27b4236057d657fa375022ecc031c2b801f07ab422f8fbc2252cbaea5781f8a4
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous embedded URLs, with a heuristic identifying it as a link farm on disposable hosting. One URL, disguised as a FIFA 15 hack, is particularly suspicious. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely to redirect users to phishing or malware distribution sites.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4729

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 https://livbiopharma.com/userfiles/file/vobiputexisotudelopuzuxux.pdf In PDF document text
    • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/f25d6f785ca35534aa8f5ea73268567e/61099792798.pdfIn PDF document text
    • http://luyenthidhcanhsat.com/Images_upload/files/jedenuzumu.pdfIn PDF document text
    • http://haciogullari.com/depo/sayfaresim/file/roxejomeperibajeketodevi.pdfIn PDF document text
    • http://ytlcases.com/userfiles/file/98327921348.pdfIn PDF document text
    • https://martas.vodrsport.cz/uploads/files/90801897742.pdfIn PDF document text
    • https://mbzgogo.xyz/web/img/podborky/files/59200408516.pdfIn PDF document text
    • https://perkunasstudio.com/uploads/files/202109021533505998.pdfIn PDF document text
    • http://tkhomedeco.com/assets/uploads/ckedit/files/20210913072139.pdfIn PDF document text
    • http://placc.info/up_image/piwuviliriranunojuj.pdfIn PDF document text
    • http://defhjdr.friend-match.com/upload/files/82817229897.pdfIn PDF document text
    • https://thaiwoodengames.com/files/upload/files/19133440118.pdfIn PDF document text
    • http://ubytovani-budejovice.cz/picture/vtextu/file/90915858780.pdfIn PDF document text
    • https://icrs-as.com/userfiles/file/nuxog.pdfIn PDF document text
    • http://chothuexehochiminh.com/userfiles/file/kufega.pdfIn PDF document text
    • http://diencongnghiepvohoang.com/uploads/files/5237718167.pdfIn PDF document text
    • https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/63074939352.pdfIn PDF document text
    • https://es21sys.com/userfiles/file/buxoxowevigewaralexim.pdfIn PDF document text
    • https://sonerofset.com/userfiles/file/nogiluxesik.pdfIn PDF document text
    • http://szhlfz.net/upload/waxojofen.pdfIn PDF document text
    • http://daejonggyoyc.com/userfiles/file/20210913092910.pdfIn PDF document text
    • http://xsjsbzrw.com/uploads/files/dokanasuludike.pdfIn PDF document text
    • https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/44631147422.pdfIn PDF document text
    • http://sinproval.it/userfiles/files/77668331450.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=fifa+15+hackPDF link annotation

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