Malicious PDF — malware analysis report

Static analysis result for SHA-256 03aa27bfa2211a19…

MALICIOUS

PDF

66.8 KB Created: 2021-03-26 19:56:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b93fa3807d1cb943a5f2f59826c7d33e SHA-1: acf24105befb39d7eddb0cb820c0be76faa38398 SHA-256: 03aa27bfa2211a19603cef323a56ca99c6a4d2a57b9be299e73c9397fa7969b3
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document that contains an embedded URL pointing to a suspicious domain. Heuristics indicate it's a phishing or malicious PDF, and ClamAV detection confirms this. The embedded URL is likely used to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9676

Heuristics 3

  • 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://soxebez.ru/award?keyword=marriott+s+practical+electrocardiography+pdf
    • https://cdn-cms.f-static.net/uploads/4412377/normal_5fe8123f41abb.pdf
    • https://cdn-cms.f-static.net/uploads/4374211/normal_6041bc9e41352.pdf
    • https://cdn-cms.f-static.net/uploads/4446260/normal_601d375052732.pdf
    • http://vifezitenof.getenjoyment.net/maxisuletirexepifadu.pdf
    • https://cdn-cms.f-static.net/uploads/4476766/normal_6042c43e0a25e.pdf
    • http://tulumiv.medianewsonline.com/bargaining_theory_in_international_relations.pdf
    • https://cdn-cms.f-static.net/uploads/4412151/normal_5fd250b284648.pdf
    • http://lasiwefomibew.sportsontheweb.net/xerostomia_journal.pdf
    • https://static.s123-cdn-static.com/uploads/4421207/normal_6008dd7f328ea.pdf
    • https://static.s123-cdn-static.com/uploads/4408343/normal_5fc67d20b161f.pdf
    • http://joriwolujuf.sportsontheweb.net/19446518428.pdf
    • http://mirumumavetifun.mypressonline.com/dna_structure_and_function_worksheet_biology_answers.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/jujadodedaruxix/how_to_bold_letters_in_whatsapp_android.pdf
    • https://uploads.strikinglycdn.com/files/dc178693-33e0-4d38-9e7d-f851f231efc2/gutenberg_bible_english_translation.pdf
    • https://s3.amazonaws.com/xoferuzu/gizixezawikebototufuneb.pdf
    • http://zavulelobawabi.onlinewebshop.net/56376551108.pdf
    • https://uploads.strikinglycdn.com/files/f91fb67f-9aee-4ce0-96dd-8b0c000c1da4/46633174731.pdf
    • https://s3.amazonaws.com/zuxime/uv-5r_pro_8-watt.pdf
    • https://uploads.strikinglycdn.com/files/04f7763f-a369-48a1-b650-5889a0dfd5bf/bisinimilavirobu.pdf
    • https://s3.amazonaws.com/sixenogafopoj/onan_rv_generator_service_manual.pdf
    • http://kopolug.myartsonline.com/80572199257.pdf
    • http://jukasuxoseki.atwebpages.com/algebraic_geometry_a_first_course.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eca1.bin
b668c9d26f8f2542565a50cf90945120825d15aa99946e6f7741a2b4b06a5c55		 pdf-font-stream PDF embedded font (sfnt) at offset 0xECA1 5524 bytes

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