Malicious PDF — malware analysis report

Static analysis result for SHA-256 02a332fcb08923c7…

MALICIOUS

PDF

87.1 KB Created: 2021-03-23 14:06:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 34a273ca9153708c83b47eda804fe52e SHA-1: 25917d1fc072fdffa7dbe09a15471be39dcf9f4a SHA-256: 02a332fcb08923c7786511fe55917f4c66b05e66d10288fdca63d7c14c807dd5
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, strongly suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection further corroborate the malicious nature of the file. While no scripts were explicitly extracted, the PDF structure and embedded URI indicate an attempt to redirect the user to a malicious site, likely for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • 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
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://crophysi.ru/award?keyword=third+eye+opening+techniques+pdf
    • https://cdn-cms.f-static.net/uploads/4464734/normal_601ebe60c1768.pdf
    • https://cdn-cms.f-static.net/uploads/4393193/normal_6026ed074f64d.pdf
    • https://static.s123-cdn-static.com/uploads/4486206/normal_60044b4d0fe37.pdf
    • http://tevojagi.iblogger.org/fefabopubuduzater.pdf
    • http://xupenirulavep.iblogger.org/96578670133.pdf
    • https://cdn.sqhk.co/xotosira/miiaifI/93837733343.pdf
    • https://cdn-cms.f-static.net/uploads/4403130/normal_6014266d45af4.pdf
    • https://cdn.sqhk.co/nemoludajedu/wjeBkRD/53873354621.pdf
    • https://cdn.sqhk.co/futipujorup/Yki95ii/2011_chevy_traverse_repair_manual_free.pdf
    • https://cdn.sqhk.co/liwewajawab/HLhfJEC/32017417453.pdf
    • https://static.s123-cdn-static.com/uploads/4501027/normal_6006b1ccc5b3d.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://s3.amazonaws.com/gupojakami/impossible_quiz_answers_66.pdf
    • https://uploads.strikinglycdn.com/files/69101a0a-1bf1-45da-b555-09f4435ed426/fundamentals_of_signals_and_systems_using_the_web_and_matlab_3rd_edition_solution_manual.pdf
    • https://uploads.strikinglycdn.com/files/48aad1fd-d384-44f5-a11d-b3b736d33c9d/computer_networking_technology_jobs.pdf
    • https://s3.amazonaws.com/sitozi/xujipokegugimeguluku.pdf
    • https://uploads.strikinglycdn.com/files/6ea80a40-a329-41b1-aac1-43a1a21fe2df/what_games_are_included_in_atari_flashback.pdf
    • https://s3.amazonaws.com/dedinavesute/71948601543.pdf
    • https://uploads.strikinglycdn.com/files/2d5308a7-0d63-43e0-b096-1e85aaa61b80/how_to_sell_a_book_i_wrote.pdf
    • https://uploads.strikinglycdn.com/files/63b17851-0355-466a-996d-5af8873061b7/tirugipofakagolefajikuk.pdf
    • http://xikepidefam.epizy.com/alleyne_ireland_the_new_korea.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010a0f.bin
3bad328d0e8bf317ce71467dea04bdb393673d94b714bdc0a867adf52f3d5f85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10A0F 5232 bytes
font_01_sfnt_off00011bd4.bin
d5d8d2a4c918a50b06ddd48188cd4022867dca5c00cdc457219bd976b7632d63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11BD4 10680 bytes
font_02_sfnt_off00014063.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14063 4324 bytes

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