Malicious PDF — malware analysis report

Static analysis result for SHA-256 00f4657831e2cc4a…

MALICIOUS

PDF

62.5 KB Created: 2021-03-14 12:00:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e4083db6dda90835df27e5e81cbb08a4 SHA-1: b6cdb72f93acd45fc3d30f63227ae0bdb6b6e0cb SHA-256: 00f4657831e2cc4aca2a264e98d31eeb782de57f3fb6087927a1e8af320bb0d4
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, many of which are obfuscated or lead to potentially malicious domains, indicating a link farm or phishing attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to redirect users to malicious content or phishing sites. While no scripts were explicitly extracted, the PDF structure and numerous external URIs are indicative of malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9908

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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://leonvi.ru/award?keyword=currency+trading+kathy+lien+pdf
    • https://pabidiwamudobav.weebly.com/uploads/1/3/5/2/135299897/kevogufoler.pdf
    • https://cdn.sqhk.co/zofizitene/0nhh9jf/timizas.pdf
    • https://cdn.sqhk.co/tovisegag/hgFibjf/run_rabbit_run_movie_1973.pdf
    • https://cdn.sqhk.co/sifalavuxozo/ZIolijE/electrical_apprentice_jobs_in_houston_texas.pdf
    • https://cdn.sqhk.co/dawolesirip/jfjc4jd/63174556728.pdf
    • https://cdn.sqhk.co/xovujiroveg/hjie5VA/nick_s_bar_and_grill_menu.pdf
    • https://cdn.sqhk.co/bodorosuzuta/0mibdji/domino_s_delivery_fee_coupon.pdf
    • https://zuzilenew.weebly.com/uploads/1/3/4/5/134527977/gusinim_velivad_fogarove.pdf
    • https://gosesubamumu.weebly.com/uploads/1/3/5/3/135348433/6308503.pdf
    • https://dizodedijep.weebly.com/uploads/1/3/5/3/135391654/gisuroxej_lisilipagule.pdf
    • https://cdn.sqhk.co/kamupudoro/0hfjfmf/digraph_worksheets_for_first_grade.pdf
    • https://dugubutufafug.weebly.com/uploads/1/3/0/7/130775350/vazukatakaduponi.pdf
    • https://safalijig.weebly.com/uploads/1/3/1/0/131070993/kadafidemix-satunovima-pipaganatem-lovazogugosexax.pdf
    • https://werevofapopaja.weebly.com/uploads/1/3/4/4/134492388/8da26023412002.pdf
    • https://cdn.sqhk.co/murajefovel/dkk3Yic/37421036613.pdf
    • https://daxapiruxibi.weebly.com/uploads/1/3/2/7/132712323/zizelovafoxiwosuv.pdf
    • https://uploads.strikinglycdn.com/files/0d4e46e0-9262-451a-ac57-975c9e7e5ed1/kawolovakagupepe.pdf
    • https://uploads.strikinglycdn.com/files/77ecab20-2e8c-48d5-9596-d42352d70118/multiplying_chart_1-1000.pdf
    • http://tuwafexom.epizy.com/what_is_soxhlet_apparatus.pdf
    • http://genenapukiral.epizy.com/adverse_childhood_experiences_ace_study.pdf
    • https://uploads.strikinglycdn.com/files/ff650d4f-703d-46a8-b603-baf42a196f8a/takemuzojanukuduwagozuvu.pdf

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