Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb12397affd9d7c7…

MALICIOUS

PDF

61.8 KB Created: 2021-02-21 05:42:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 888f32a111e3c93338a0b0ffcf56fa08 SHA-1: 93860e9c6d908d5ce1a9edb1844f1b2f26628513 SHA-256: eb12397affd9d7c700101958a2177a433ba0ffb646d009adc703e3546a58710f
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

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 0.8681

Heuristics 4

  • 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.
  • 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://bologen.ru/strik?utm_term=where+to+buy+replacement+parts+for+keurig PDF link annotation
    • https://bewapuvin.weebly.com/uploads/1/3/1/4/131453684/mufidusugosike.pdfIn PDF document text
    • https://vekerarefatada.weebly.com/uploads/1/3/4/8/134868636/93beae139a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4492575/normal_5ffb3055f1b43.pdfIn PDF document text
    • https://cdn.sqhk.co/wejupexuput/hhehhVU/mimpi_mendapatkan_anak_laki_laki.pdfIn PDF document text
    • https://cdn.sqhk.co/zifeduwa/YoD2nhg/werewolves_haven_rising_apk_full.pdfIn PDF document text
    • https://vogavova.weebly.com/uploads/1/3/1/6/131606390/pagas.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389394/normal_60106203201d6.pdfIn PDF document text
    • http://abwaab.su/measure_of_each_exterior_angle_of_a_regular_polygon_with_24_sideskigzb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454545/normal_601730cdf0289.pdfIn PDF document text
    • https://wevenakexeg.weebly.com/uploads/1/3/1/4/131438808/4efc6d.pdfIn PDF document text
    • https://divojalu.weebly.com/uploads/1/3/4/6/134664609/wozudedinev_duboduvut.pdfIn PDF document text
    • https://s3.amazonaws.com/bejexe/allah_ke_bande_pagalworld.pdfIn PDF document text
    • https://s3.amazonaws.com/fejenijovekozu/kaxejujasunixavaxexe.pdfIn PDF document text
    • https://s3.amazonaws.com/kefiperizonofu/mezowudunu.pdfIn PDF document text
    • https://s3.amazonaws.com/kewakuko/tally_balance_sheet_format_in_excel.pdfIn PDF document text
    • https://s3.amazonaws.com/xisefowu/blow_molding_design_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/pegebunov/offline_website_er_online_free.pdfIn PDF document text
    • https://s3.amazonaws.com/wewiro/list_of_latex_mathematical_symbols.pdfIn PDF document text

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