Malicious PDF — malware analysis report

Static analysis result for SHA-256 8053f89692b98f7b…

MALICIOUS

PDF

68.6 KB Created: 2020-11-29 09:06:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 1c1cbc9d6ad2c53a88578470a92683bd SHA-1: e154bc2f88923e44ce39df0b66d75fa144984cd3 SHA-256: 8053f89692b98f7b00234ab73ffbda3dfe9ad2e816e72c11720b5884304a6747
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file is a PDF document that masquerades as a user manual for a Toyota Auris Hybrid. It contains an embedded URL pointing to a suspicious domain, which is likely used to host or redirect to a malicious payload. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.

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://trafficel.ru/aws?utm_term=toyota+auris+hybrid+2012+user+manual PDF link annotation
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/novipaliwid/williams_gun_sights_ruger_mark_iv.pdfIn PDF document text
    • https://s3.amazonaws.com/kepevipawit/indurium_quest_wow_classic.pdfIn PDF document text
    • https://s3.amazonaws.com/jipowumat/xomixesidoguzuzebo.pdfIn PDF document text
    • https://s3.amazonaws.com/davubewu/angielski_dla_pocztkujcych_i_redniozaawansowanych_a1-_b1.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ef2e977b-60f2-46b8-bce9-b3fd751657a9/51012597302.pdfIn PDF document text
    • https://s3.amazonaws.com/wepeliniru/avery_sympathy_card_template.pdfIn PDF document text
    • https://s3.amazonaws.com/pazifetanegapu/strength_of_materials_notes_rejinpaul.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/615a30c1-7746-48c0-87c7-3970e513f6a5/vabigoto.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/37c82bd5-5c8b-48f2-a732-ea50bf1f7069/benson_lake_wa_homes_for_sale.pdfIn PDF document text
    • https://s3.amazonaws.com/muvarelo/mario_fighting_games_free.pdfIn PDF document text
    • https://s3.amazonaws.com/xafaxotaful/file_a_police_report_online_dallas_tx.pdfIn PDF document text
    • https://s3.amazonaws.com/jimugivos/modern_database_management_11th_edition.pdfIn PDF document text
    • https://s3.amazonaws.com/pibajuwi/flag_of_latvia.pdfIn PDF document text
    • https://s3.amazonaws.com/pewebopufupe/belizikesejege.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d7c82b19-432c-42b8-a46e-349940aea688/41432092590.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_off0000cef3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCEF3 5584 bytes
SHA-256: bb78c7d945921367ab44abb1020985f44e56ab37053aed48984340bb8e4f2a17
font_01_sfnt_off0000e1c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1C9 10404 bytes
SHA-256: 29dda448cdb4a2ab8bb3a0612714f42fa0cc88f050b7b18955fe4a4ea3cf8884

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