Malicious PDF — malware analysis report

Static analysis result for SHA-256 7bfd6e0a59fdcc19…

MALICIOUS

PDF

68.0 KB Created: 2020-11-20 08:06:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 695d8a64a4a499c75b150f37f625293e SHA-1: 2d736aafee0be36964958b94c87723ca7bd9b516 SHA-256: 7bfd6e0a59fdcc1976fa8d052fa96aca6042f2070b099124913657670070a30b
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 0.9998

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/123?utm_term=graco+4ever+car+seat+installation+rear+facing PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4401505/normal_5fad123a706b3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379049/normal_5f8ce1f3afa53.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380531/normal_5fa519ff9658b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427085/normal_5fb5f24470760.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/ba98ae72-a5c3-42e0-9f73-e54592aaa9bf/kimulekofezekugafafazu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8a10cdd4-6f7b-4fd4-a8b6-1bb1af4749f7/how_to_get_escape_from_tarkov_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/678e32cc-2a0a-4875-a1ed-069ecc0aea82/13605964209.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a3a22944-416e-4993-b124-d34a510c6009/78803230152.pdfIn PDF document text
    • https://s3.amazonaws.com/gifojuxaxeva/sapphire_dragon_claw_quest.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b1654512-6828-4460-b9c8-6bb1c7eade9b/73016345338.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/34723987-4745-4673-8ba5-1059d168568c/space_flight_simulator_apk_download.pdfIn PDF document text
    • https://s3.amazonaws.com/somamere/beganidezowuza.pdfIn PDF document text
    • https://s3.amazonaws.com/tixedujegibex/directions_from_owatonna_mn_to_watertown_wi.pdfIn PDF document text
    • https://s3.amazonaws.com/xebareto/dye_i4_mask_black_gold.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_off0000ceca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCECA 5228 bytes
SHA-256: 383f45043d8dec7a8b93c597d7f1809f69094b5acc1bc5c24ceff401d72f188a
font_01_sfnt_off0000e0b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0B6 9984 bytes
SHA-256: e57b158bc94baf83f854d22d43697ca19313d7d0bfce66b08e5bd0561e8db3b8

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