Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7af0691c7ffe6e9…

MALICIOUS

PDF

68.2 KB Created: 2020-11-16 18:08:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 0d6519e8961bc439389c7a21a47262e4 SHA-1: 60faafa55c407d7999aaa623dab628a4b7e86f10 SHA-256: f7af0691c7ffe6e9dcf2231df87535a3d7dc3ad1234f17a3eea13911bba84530
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that points to a suspicious domain, likely intended for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the presence of an external URI and the overall detection suggest the document is designed to redirect the user to a malicious site, potentially as part of a phishing campaign.

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://traffnew.ru/strik?utm_term=cam+angle+sensor+miata PDF link annotation
    • https://sibinepenisux.weebly.com/uploads/1/3/4/4/134467302/zebomesinivat-fenadalulijaxa-rojobaduxupi-gufogugukopidi.pdfIn PDF document text
    • https://rikurifijuse.weebly.com/uploads/1/3/4/6/134681474/2743582.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366989/normal_5f872a3d35521.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485696/normal_5fb25bc07183d.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/af71fbee-7135-441b-b7b5-b47c4d321f03/94717586345.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e705136a-2d30-48cf-a9c5-06a8dfdedc46/sepitevikurozi.pdfIn PDF document text
    • https://s3.amazonaws.com/jasadavebaga/destiny_2_black_armory_guide_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/sazixipame/80465116626.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2dca4864-a259-4949-af68-c85a58d65652/mahaffey_theater_st_petersburg_fl_seating_chart.pdfIn PDF document text
    • https://s3.amazonaws.com/woxojuxafopuv/asf_global_sc.pdfIn PDF document text
    • https://s3.amazonaws.com/kavugusepe/sony_bravia_kds-60a3000_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e4b30cb6-2ab3-4446-b9a8-34f3f7e57d83/35078741641.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bc0e6208-8fdf-401b-9b24-b9cab3d94be3/91543475009.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/57911605-4fdd-496b-a2e1-5cf6365d2b65/fellowes_powershred_79ci_paper_shredder.pdfIn PDF document text
    • https://s3.amazonaws.com/bakoloj/75886986277.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/83ee0871-e5e8-41c3-b091-5edf435a9c20/tononavedomozizogakulikex.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_off0000ce4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE4F 4908 bytes
SHA-256: 6196f80f163f1d4bb9402188b9d1f519a8b4c60389a77e3e4e523f3c3c330146
font_01_sfnt_off0000dee8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEE8 10828 bytes
SHA-256: 9bf214a1a650338a88f2d41553e37223238752d53217db299a76f4fcda2ffda4

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