Malicious PDF — malware analysis report

Static analysis result for SHA-256 4fe808bd6ff4d929…

MALICIOUS

PDF

62.3 KB Created: 2021-09-20 05:04:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 5ba16c2fae004887d50897749c0f432d SHA-1: 868babe5202d813d0d8df84d53e5355eeea27c7d SHA-256: 4fe808bd6ff4d92973a203cde77f110cbd636354fb1a9ed94e05cfa1e4be6f91
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a phishing or link-farming attempt. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious classification. The file's structure and URL patterns suggest it is designed to lure users to malicious content, likely as part of a phishing campaign.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3863

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://sieuthibongda.net/ckfinder/userfiles/files/senalodor.pdf
    • http://joesservicecenternj.com/userfiles/files/kamoji.pdf
    • http://seidels-mineralienwelt.de/images/uploaded/file/43661853930.pdf
    • https://toliveinchristjesus.ceosale.catholic.edu.au/application/third_party/ckfinder/userfiles/files/95895667152.pdf
    • http://pacemakerpressintl.com/uploads/assets/file/nelodikakesozib.pdf
    • https://aydin-elektrik.com/resimler/files/paxosukumekipetosa.pdf
    • http://cancercareresearch.com/userfiles/file/gigejivogevoxefuf.pdf
    • https://tiemhoamo.tiemhoahaibara.com/data/dulieu/files/20047557371.pdf
    • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/1866e7246b88d797ec34984a66ed3c00/xokaxifozamigowufa.pdf
    • https://olivermilk.vn/tctt/sites/aaa/file/gejipenodum.pdf
    • http://grupposcorcia.it/userfiles/files/rekegemiparol.pdf
    • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/da45805c767dcc433cd924bbbc4d87fc/ditegigikibevufukol.pdf
    • http://stefanourso.com/public/userfiles/file/xosezixo.pdf
    • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/0d07185b5dee805a507f56d0627b4b49/5506835801.pdf
    • http://sowa-architekci.pl/userfiles/files/36717371936.pdf
    • http://thebankcardservice.com/uploads/files/93812745571.pdf
    • http://xn--3e0b556bhrbowi6undva.com/ckupload/files/sibukidukomabiriberumod.pdf
    • http://mtsskzy.com/userfiles/file/97503014765.pdf
    • http://hodori247.com/uploads/files/sodazoga.pdf
    • http://hainescentreasia.com/images/file/48297548654.pdf
    • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/8a4abc0255cdae0de7e57837be01fe36/fuvofegowubiloretigobo.pdf
    • https://rzfmuhasebe.com/userfiles/file/kizonutuvojixola.pdf
    • http://galettedesrois.eu/userfiles/file/17798252736.pdf
    • http://protetyka-lublin.com/images/wyswig_images/file/53600079299.pdf
    • https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/ublbg2pitp2obseqd5a66uuelc/kaloromawagemirekaba.pdf
    • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=walton+latest+android+mobile

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