Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7208596572ac48e…

MALICIOUS

PDF

61.7 KB Created: 2020-11-20 05:58:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 913a81640b31694345755007c1e7dbe9 SHA-1: 13136af34622774be68fb925eb4e5983d30b1ed0 SHA-256: d7208596572ac48ec7c80e1c03595ec1f2c448ab321f752b62c437ef553d283f
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://trafftec.ru/strik?utm_term=plantronics+voyager+legend+instructions PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4483335/normal_5faed8ee99d54.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409623/normal_5fb7058c79eb4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379851/normal_5f8cb1224d2e8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376362/normal_5f937c38b0358.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378843/normal_5f90e03fed854.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421215/normal_5f9a25ec4b2dd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405639/normal_5fa00c34281cc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365607/normal_5f870a2bf0f84.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379605/normal_5fb6446e5c70f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465145/normal_5fa9600bea4bd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366339/normal_5f8cc930a2dd7.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/mejawiwomak/lua_not_equal.pdfIn PDF document text
    • https://s3.amazonaws.com/rudelazifizuvo/parking_ticket_template_microsoft_word.pdfIn PDF document text
    • https://s3.amazonaws.com/ninazarila/sw_science_10_unit_6_relative_dating_answers.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b414.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB414 5268 bytes
SHA-256: c73afd4486a0585017a0777b3170f4228a58abbe47fb6beec4216e0ef88d0d4b
font_01_sfnt_off0000c61c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC61C 10464 bytes
SHA-256: dee7f4d6469b2523b0ae4ca98f64db38edeca23f0bbb8d8188e2e342bea8ee35

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