Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d2e02d69646081a…

MALICIOUS

PDF

77.9 KB Created: 2021-05-24 01:40:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 2b8341b7774362f0a82eead2fb2547d8 SHA-1: d97ddd87a78ef6dea8da618cf6b6297bb390413e SHA-256: 2d2e02d69646081ac2ff58c9c7ecb5faed03b60d772b4863ca20bd57f46f64fb
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 0.9997

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://fokemale.ru/strik?utm_term=avg+secure+vpn+product+key PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4372105/normal_60337b101ddd4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412584/normal_6008b4ff664a3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450152/normal_60315f0fb10dc.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/0889f6f2-43fd-4e13-bb1e-677c04cd2814/cfa_level_1_pass_rate.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/27e38983-7914-4177-8bf0-1a1780c0d74c/gabuzubenebetukejepipexez.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1e8b99a8-09b6-46cf-bdbc-acb43126f99c/entrepreneurial_skills_textbook.pdfIn PDF document text
    • https://s3.amazonaws.com/womirofop/23936649587.pdfIn PDF document text
    • https://s3.amazonaws.com/nedijowewoded/how_to_program_samsung_ak59_remote_to_tv.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/84790c63-0567-4387-a33e-b2f0aeefea0f/kuzeborijotonaja.pdfIn PDF document text
    • https://s3.amazonaws.com/gifiz/cheapside_primary_school_ofsted_report.pdfIn PDF document text
    • https://s3.amazonaws.com/tosevud/mugen_rao_songs.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/afe1053e-7f9c-4afb-b03b-a43c0746af99/polaris_sportsman_400_2_stroke_specs.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/edc025d4-ac49-46f7-8667-26ffe3cebfec/cuantas_paginas_tiene_que_tener_un_libro.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/718f13ab-c7d5-403f-9434-c39f9c72b3ff/viviveg.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9742ca84-11f1-4bba-b7a8-b56f3a42329d/sibeloweb.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/465f3183-911f-4d41-a109-8cb319f3268f/pogibovomulemokasujuteje.pdfIn PDF document text
    • https://s3.amazonaws.com/xezonijida/51907239891.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a216e874-9cda-4ed0-b055-20941979cb8f/kakepabamuxi.pdfIn PDF document text
    • https://s3.amazonaws.com/sejakopa/dti_business_name_registration_form_for_partnership.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1e184055-2f87-4f3d-b12e-ad67cadaf2e9/actron_cp9185_elite_autoscanner.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e615.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE615 5048 bytes
SHA-256: a66da1def78ea1ec11d664b34df25af5670d086c56afa6a79ea504a60f2e7eac
font_01_sfnt_off0000f75e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF75E 10808 bytes
SHA-256: 5a4e737cfd3439882400b6852f27a41b611003a9fb9bfd24b74ba9d8b9115e94
font_02_sfnt_off00011c4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C4F 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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