Malicious PDF — malware analysis report

Static analysis result for SHA-256 02d8ab39e43459dd…

MALICIOUS

PDF

65.8 KB Created: 2020-11-29 22:13:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 6b8501dfdf50cd8315587d00e5ee9c73 SHA-1: 158fa5428a706303a5d92dee615c6a1785e9b059 SHA-256: 02d8ab39e43459dd84649c7771a5090462c07d157de70f3dc1bdb544880aeeea
96 Risk Score

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 0.9998

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
  • 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://trafficel.ru/123?utm_term=burbujas+de+amor+juan+luis+guerra+lyrics PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4369313/normal_5fb57e091f796.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/ebf33127-1bc6-477f-a881-34dc657fa316/you_are_a_badass_free_no_account_needed.pdfIn PDF document text
    • https://s3.amazonaws.com/nimuwet/gta_vice_city_cheat_codes_for_pc_all.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fa1646bf-5608-45db-ac75-a7ca75fcdd40/visual_land_prestige_elite_9q_troubleshooting.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d155e915-d560-47d8-875f-0c195a8c1ac4/wasufozefovajunilanuwug.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9d64affd-e7da-4c9d-97f7-8b659bfbc4c9/pumazetugefizudu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c8bb73ca-965a-4bdf-881f-216ea507b839/minecraft_shader_pack_1._7._10.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/223b13ae-eafe-4b30-a2ed-a5f74b8da0ec/assassins_creed_iv_black_flag_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4dfbbe21-9349-4652-8dee-15c1480113d5/97477788115.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/42f6ceb7-2f8c-478e-9c51-2806e8324980/26442921504.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/976a9f86-dca2-4532-9324-48a15bebafd4/tokilikejileb.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/76a78152-cd53-4c44-aa08-6e0a3d51dedd/xinusijevi.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_off0000c1f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC1F2 5624 bytes
SHA-256: 849e3f47276a2e73baac137014a29fcbfb0f7ce527868ab1a243afc5ad5b6dc4
font_01_sfnt_off0000d50a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD50A 10780 bytes
SHA-256: a2026c66d43182a480f4bbf8ac72715a1e85c25b823c1fadc39f91c7819ed613