Malicious PDF — malware analysis report

Static analysis result for SHA-256 054415e026be85ba…

MALICIOUS

PDF

54.0 KB Created: 2021-10-06 00:46:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-23
MD5: f9108be245c6eb86df9a9ee39b11fe72 SHA-1: d7a76eab324faaf916546ee628151771358b2fd7 SHA-256: 054415e026be85bad62388d4958cc3e636ea6a8ac4dded15e1cf8b8387f83d4c
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded URLs pointing to various domains, suggesting a link farm or phishing campaign. The ML classifier and ClamAV detection indicate malicious intent, likely to redirect users to malicious sites or download further payloads. No scripts were extracted, but the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests the document's purpose is to host a large number of links for SEO manipulation or to distribute malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5812

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://pixomot.ru/uplcv?utm_term=the+long+walk+to+water PDF link annotation
    • http://www.boldino-hotel.com/ckfinder/userfiles/files/vonavuvukosexijoxa.pdfIn PDF document text
    • http://www.ags-sib.ru/ckfinder/userfiles/files/jedejumipisaxifawilepimog.pdfIn PDF document text
    • http://atlonnuri.org/UpLoadImage/editer/files/sabujirosowukeve.pdfIn PDF document text
    • http://daydeothe.vn/rich_editor/file/49469082505.pdfIn PDF document text
    • http://basumati.com/app/webroot/ckfinder/userfiles/files/18222345024.pdfIn PDF document text
    • http://teraval.cz/res/file/72007646661.pdfIn PDF document text
    • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/331a99428961ee4a67ae2dd10a9d3231/60436296115.pdfIn PDF document text
    • https://alsharqcc.com/userfiles/files/61495993231.pdfIn PDF document text
    • http://kam-era-man.com/wejamipejetejagudazobu.pdfIn PDF document text
    • http://w.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/bijaxokizumapokiwop.pdfIn PDF document text
    • http://szermgrt.hu/uploads/ckfinder/userfiles/files/xigefaxebogatoleka.pdfIn PDF document text
    • http://germainelecocq.it/userfiles/files/66918062276.pdfIn PDF document text
    • https://pansky.ru/UserFiles/File/wonexat.pdfIn PDF document text
    • http://universalestetic.com/userfiles/file/megatebavezedekuk.pdfIn PDF document text
    • http://pecsimutargygaleria.hu/files/file/35568224602.pdfIn PDF document text
    • http://lonniestireandauto.com/nbloom/fckuploads/file/vukabapuzofopofedu.pdfIn PDF document text
    • http://mascotdd.com/file_media/file_image/file/79636051415.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615ac8b5a8c18---94856758558.pdfIn PDF document text
    • https://profession-your-dr.com/uploads/files/202110021205168709.pdfIn PDF document text
    • http://psychologyforeverybody.com/ckfinder/userfiles/files/gafamuxifatopowadulefodi.pdfIn PDF document text