Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd358181cbbaa26c…

MALICIOUS

PDF

42.1 KB Created: 2021-03-10 07:27:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6cbbe28dd466eccf86ed92b0295d6d69 SHA-1: d17a55a594ca5105b7811b024a0dfd62482bab87 SHA-256: bd358181cbbaa26cc904c08793255f1565d6253a79b3adeca97c723dee6979be
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ClamAV and an ML classifier. It employs an image-only lure, typical of phishing, with a clickable action pointing to a suspicious URL. The document body, though heavily obfuscated, suggests a lure related to a 'clothing catalogue'. The presence of embedded URLs and the overall structure strongly indicate an attempt to redirect the user to a malicious site for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7936

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
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 42 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://jottigo.ru/award?keyword=barron+clothing+catalogue+2020+pdf
    • https://cdn.sqhk.co/vipujitebiki/iV2pZjj/34227219494.pdf
    • https://cdn.sqhk.co/pubodegosog/GxmF6jj/lebajunov.pdf
    • https://cdn.sqhk.co/ridijafugemi/XjfWRie/gijoleruvelixafefabezorib.pdf
    • http://alcexpress1.xyz/lyle_mcdonald_booksd90n2.pdf
    • http://sweetmeet.online/tezifometemfmtu.pdf
    • http://fullpisetc.ru/roritugojesovederorz6cvo.pdf
    • http://prosucre.pro/94046520345b9n9i.pdf
    • https://cdn-cms.f-static.net/uploads/4382773/normal_5fd9861fcd40f.pdf
    • http://usene.xyz/wunutrdtll.pdf
    • https://cdn.sqhk.co/bepesewutu/1AbdMgj/32945294698.pdf
    • https://cdn.sqhk.co/fufitefan/jXLXUhf/gold_mountain_casino_in_oklahoma.pdf
    • https://cdn-cms.f-static.net/uploads/4369920/normal_5fd3cccddb6f1.pdf
    • http://openplafond.xyz/sap_fiori_front_end_server_5.0_installation_guiderfoj6.pdf
    • http://nakidki-alkantara.xyz/185528883396mnc4.pdf
    • https://s3.amazonaws.com/faluzotixupi/erc_guidelines_traumatic_cardiac_arrest.pdf
    • https://s3.amazonaws.com/rawesaragegugar/criminal_justice_reform_organizations_michigan.pdf
    • https://s3.amazonaws.com/bojafazes/cribriform_plate_meningioma_ct.pdf
    • https://s3.amazonaws.com/tobito/3206427984.pdf

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