Malicious PDF — malware analysis report

Static analysis result for SHA-256 80cc1f17289a8770…

MALICIOUS

PDF

41.7 KB Created: 2021-09-17 07:26:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: c659c3fc8a4a267dffbd45b141075b00 SHA-1: 5786f35d051071aa9a5e6aa5c8770a6d1a6c2dde SHA-256: 80cc1f17289a87704ed15f2f134ddb46fcba4eb664cf33e5f64d81ecd915e272
124 Risk Score

Malware Insights

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

The PDF contains a link farm hosted on disposable domains, identified by heuristics as a malicious phishing tactic. The ML classifier and ClamAV detection strongly indicate malicious intent. The primary goal appears to be directing users to download further malicious content from these external links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7916

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://rusepress.com/uploads/wysiwyg/files/38654427042.pdf In PDF document text
    • http://summitremodelinginc.com/userfiles/files/66706778870.pdfIn PDF document text
    • http://rezidencianestor.sk/app/webroot/files/ckeditor/files/71340328540.pdfIn PDF document text
    • https://lotte-ppta.com/beta/assets/file/fikevekifeposoba.pdfIn PDF document text
    • http://giovanninociti.com/userfiles/files/sujogutoba.pdfIn PDF document text
    • http://daivupaint.com/img-chamthi/files/25241226966.pdfIn PDF document text
    • http://tiwtactic.com/userfiles/files/gofepexevizobobezageroza.pdfIn PDF document text
    • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135dc0088f3b---baxinisukadodip.pdfIn PDF document text
    • http://dmychadla.eu/UserFiles/File/87954502903.pdfIn PDF document text
    • http://onfireinteriors.com/userfiles/43370624424.pdfIn PDF document text
    • http://netmutum.com/userfiles/file/xutitubinuxa.pdfIn PDF document text
    • http://jjw-led.com/userfiles/file/nisagesiwugowirefoja.pdfIn PDF document text
    • http://miyozenemeryville.com/uploads/files/povekukozubet.pdfIn PDF document text
    • https://vinadesigndanang.vn/uploads/image/files/retow.pdfIn PDF document text
    • http://parilka.by/var/upload/file/80662429794.pdfIn PDF document text
    • http://sensitiva.fi/UserFiles/File/65019575126.pdfIn PDF document text
    • http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/11571542824.pdfIn PDF document text
    • http://brkvinc.com/userfiles/file/kipeminariwusutufekamat.pdfIn PDF document text
    • https://saksisan.com/upload/ckfinder/files/mesino.pdfIn PDF document text
    • http://omeofest.eu/userfiles/files/deramogedozafebi.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=add+watermark+to+video+android+programmaticallyPDF link annotation

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