Malicious PDF — malware analysis report

Static analysis result for SHA-256 01d4c1cfaf47b8ca…

MALICIOUS

PDF

75.5 KB Created: 2021-03-04 01:36:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: 9498df3974413a292c4ef15169dcbda1 SHA-1: eb7e0922bd61ff63aeaf26ff3ac3efcb6dfe7fe0 SHA-256: 01d4c1cfaf47b8cae46d99ff8de0f0c0dc04d7ce42431d96dc3e055d58a587b3
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a suspicious domain, likely as part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to redirect the user to a malicious site, potentially for credential harvesting or further payload delivery.

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://seumenha.ru/strik?utm_term=2004+chevy+malibu+classic+battery+light PDF link annotation
    • http://wagajikis.iblogger.org/vigurifesosa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450356/normal_5fcd60604859b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486548/normal_5ff0a479328fe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465691/normal_5fde3fcd611e1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411683/normal_5fe629606a5e5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488580/normal_5fd274d0423d4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4505096/normal_5ff64be432dcf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4491168/normal_600b07a45f23d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4467576/normal_5feafe9087f80.pdfIn PDF document text
    • http://rivoduzajoki.iblogger.org/metallica_enter_sandman_lyrics.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416504/normal_602b68d9dcbf6.pdfIn PDF document text
    • http://fosupaxutipiz.iblogger.org/calories_dunkin_donuts_power_breakfast_sandwich.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392442/normal_601677eaa75fe.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jotikovan.rf.gd/rimusib.pdfIn PDF document text
    • http://lenidifumejuvig.rf.gd/how_to_change_the_price_on_a_vendo_vending_machine.pdfIn PDF document text
    • http://toduwez.epizy.com/how_to_clean_the_filters_on_your_kitchenaid_dishwasher.pdfIn PDF document text
    • http://zukeligo.rf.gd/hudson_park_collection_bed_sheets.pdfIn PDF document text
    • https://s3.amazonaws.com/sudevejerifu/gerularulomosijogo.pdfIn PDF document text
    • http://zijipowatik.epizy.com/household_budget_templates_nz.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_off0000e73b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE73B 5780 bytes
SHA-256: 6ca55e5ece8a6bd69df3258589f575c29518cba23ec5ca5e4900eebfdc311de3
font_01_sfnt_off0000fad2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAD2 11080 bytes
SHA-256: c232fe2f106b87dfa72a96fb359aad358f1f294000e7ab8adb63a71697159f1e

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