Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebd7da101d069232…

MALICIOUS

PDF

50.4 KB Created: 2021-03-06 13:09:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0204ec889ab90f9b20564026e13cebd5 SHA-1: d8e03e4b7e098f95f12ba3ef20c7e05bc23244f9 SHA-256: ebd7da101d069232870b6f20e1761bf538c87aa72a5ceddf30b92f0fc62116c6
144 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical of phishing campaigns, containing a clickable link to an external URL. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's part of a phishing or malware distribution chain, likely leading to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7391

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
  • 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 50 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://dugedepap.ru/strik?utm_term=maytag+bravos+xl+error+f5
    • https://cdn.sqhk.co/sunawopi/i7gexhe/simevudeturori.pdf
    • https://cdn.sqhk.co/valipovu/ahigfha/2d_strike_mod_apk_5._9._3.pdf
    • http://kevarusakoko.mypressonline.com/gibinusopuwexudiwozava.pdf
    • https://cdn.sqhk.co/suwapipejob/jejghhL/switzerland_currency_exchange_rate_us_dollar.pdf
    • http://xunarepozufuz.mygamesonline.org/schlage_handpunch_3000_manual_espaol.pdf
    • http://vomidujoma.scienceontheweb.net/ti_84_plus_ce_calculator_charging.pdf
    • http://lanufutado.22web.org/28213177873.pdf
    • https://cdn.sqhk.co/wexunaveb/aqXIib5/iken_learning_app_download_for_pc.pdf
    • https://s3.amazonaws.com/setaxilitozuko/raziwomavovijev.pdf
    • http://pitetuli.epizy.com/wibumepijeviz.pdf
    • https://s3.amazonaws.com/wokesabisevo/tv_guide_canberra_ourguide.pdf
    • http://taregedekuxugux.rf.gd/cardinal_club_portland.pdf
    • https://s3.amazonaws.com/lezopobigeza/pemovovikanuwufazi.pdf
    • https://s3.amazonaws.com/dusined/zy_play_smooth_4_manual.pdf
    • http://jubogaju.atwebpages.com/76893369216.pdf
    • http://fevirafi.rf.gd/information_system_in_global_business_ppt.pdf
    • http://namepafubi.atwebpages.com/realspace_magellan_collection_corner_desk_dimensions.pdf
    • https://s3.amazonaws.com/zuwosil/bidufonijavabumuxovomuwo.pdf
    • https://s3.amazonaws.com/sepawi/taxivekefewir.pdf

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