Malicious PDF — malware analysis report

Static analysis result for SHA-256 cce9801ae2e8f993…

MALICIOUS

PDF

59.3 KB Created: 2021-03-22 19:58:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c93ae9713d01a89cd5d037032aad8cac SHA-1: cc08a2614e041bae09a1b7cba145dd36cd381ae4 SHA-256: cce9801ae2e8f99343685cfd98b860bdb0bfdb74b91bae4d398bd57b30c93ea5
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, indicative of a link farm or phishing lure. The ClamAV detection and ML classifier strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs point towards techniques used to redirect users to potentially malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8425

Heuristics 4

  • 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.
  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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/strik?utm_term=kawasaki+small+engine+dealer+login
    • https://cdn.sqhk.co/vizelupavew/gjwsjgh/game_of_thrones_lannister_house_words.pdf
    • http://feedbacrnz.space/chapter_2_cumulative_review_algebra_1_answers48f5w.pdf
    • http://befemuvejizu.22web.org/poxotasomelazivofokubaman.pdf
    • https://dijibelusubif.weebly.com/uploads/1/3/4/8/134871127/4648276.pdf
    • https://cdn.sqhk.co/wanaxowuwot/cijahab/weed_legal_states_2020_virginia.pdf
    • http://fitit.space/gufikesmina.pdf
    • https://zunenevalomedo.weebly.com/uploads/1/3/4/8/134855990/vufito.pdf
    • https://bewokeramubi.weebly.com/uploads/1/3/1/6/131636949/tanusigepo.pdf
    • https://fatitabo.weebly.com/uploads/1/3/4/7/134757356/jevog.pdf
    • https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/8152153.pdf
    • https://cdn.sqhk.co/xororasomig/gfteygd/fat_football_head_to_head.pdf
    • https://kowonuzadanovit.weebly.com/uploads/1/3/4/6/134686130/2309195.pdf
    • https://rajopolaxobi.weebly.com/uploads/1/3/1/4/131406270/dajikixikiwezeruvet.pdf
    • https://rudumareta.weebly.com/uploads/1/3/1/8/131871695/1833186.pdf
    • https://funapimezu.weebly.com/uploads/1/3/1/0/131070883/0c9709e3d5e02.pdf
    • http://labincom-med.ru/lemony_snicket_netflix_age_rating1s0yf.pdf
    • https://cdn.sqhk.co/soxemudu/if8uijg/improve_handwriting_sheets.pdf
    • http://lnstagram-blue-ticks.com/add_note_to_walmart_grocery_orderp23ox.pdf
    • https://ludakugoru.weebly.com/uploads/1/3/4/6/134698973/nepulol.pdf
    • https://a161ff94-1a6f-4367-b6f8-8e513a5e676d.filesusr.com/ugd/4c7633_3870a29f7cff4bcf836b67945f056a36.pdf?index=true
    • http://koluriv.rf.gd/pdf_marketing_research_process.pdf
    • http://satovatusewonaw.rf.gd/classics_of_analytic_philosophy.pdf
    • https://56db2a4d-09ce-4ff6-a558-abb1d6727cd4.filesusr.com/ugd/003b86_22e511ee2fae48a89202ca4f052e617a.pdf?index=true
    • http://juzudine.rf.gd/android_callback_interface_example.pdf

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