Malicious PDF — malware analysis report

Static analysis result for SHA-256 e68039e2d0f771fc…

MALICIOUS

PDF

58.6 KB Created: 2021-02-10 09:32:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: abec776e5cced65861f4660fab9b0cc7 SHA-1: 8c3045beb8a121e88d15db0d61e6d17b1cffaf0f SHA-256: e68039e2d0f771fc4f2ee94b329c7cb7e1a5048169c2f93b29a26f66fc5fe934
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6619

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://druttle.ru/aws?utm_term=amacsoft+pdf+to+powerpoint+converter+crack PDF link annotation
    • https://cdn.sqhk.co/zikufivol/hbguSrU/spongebob_best_friends_forever_ring_ringtone.pdfIn PDF document text
    • https://cdn.sqhk.co/vuwonesi/UKjn8hd/76067951199.pdfIn PDF document text
    • http://whitecheat.xyz/chery_arrizo_5_manualm4h59.pdfIn PDF document text
    • http://draiwenstore.online/hack_game_galaxy_wars_space_shooterk6m1n.pdfIn PDF document text
    • http://teplotronic.ru/91179683231hl7pw.pdfIn PDF document text
    • https://xafokevixutevib.weebly.com/uploads/1/3/2/6/132681308/779a1c3433de9.pdfIn PDF document text
    • https://xuzopodoker.weebly.com/uploads/1/3/0/7/130738955/wasivib.pdfIn PDF document text
    • https://cdn.sqhk.co/bubiwalifeda/hiibShb/78725436056.pdfIn PDF document text
    • https://nugukijozagesek.weebly.com/uploads/1/3/0/7/130739433/vapuw.pdfIn PDF document text
    • https://sisajubiji.weebly.com/uploads/1/3/0/9/130969075/duxokilulerili.pdfIn PDF document text
    • https://tigoxugijiwubaz.weebly.com/uploads/1/3/4/3/134315710/2a5ccf73fc.pdfIn PDF document text
    • https://cdn.sqhk.co/wirowanorax/jg0XSgf/one_block_map_for_mcpe_apk_download.pdfIn PDF document text
    • http://kihepc.xyz/4054269689865eho.pdfIn PDF document text
    • https://vusuranozaxo.weebly.com/uploads/1/3/4/0/134012668/tirulirun.pdfIn PDF document text
    • https://cdn.sqhk.co/nozesinipi/cgeBIgg/xibitarixufiwef.pdfIn PDF document text
    • https://cdn.sqhk.co/tejilunuf/Ihf2ibU/tatugedopupolotot.pdfIn PDF document text
    • https://zalinojawovuga.weebly.com/uploads/1/3/4/8/134886974/9066443.pdfIn PDF document text
    • https://cdn.sqhk.co/dafibuxoki/hiigM2b/cross_the_road_electronics_pcm.pdfIn PDF document text
    • http://sport-stavki.fun/formation_bartender_pole_emploi605qo.pdfIn PDF document text
    • https://s3.amazonaws.com/wegugus/18068445997.pdfIn PDF document text

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