Malicious PDF — malware analysis report

Static analysis result for SHA-256 93897d8f5d1b913e…

MALICIOUS

PDF

85.0 KB Created: 2021-03-03 05:56:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: a82f59ccc666b445a9f68aeaa73af2c1 SHA-1: e5560e001fe2960b5b1ee50779875a9f9efcf6bd SHA-256: 93897d8f5d1b913ebba619b8151767a6d8cc12f50145dc39b0630c77b6e6dcc9
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI that directs the user to a suspicious domain, disguised as a search result for a biblical topic. This URL is the primary indicator of a phishing or credential harvesting attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing.

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://ponafet.ru/award?keyword=what+does+the+bible+say+about+lucifer+kjv PDF link annotation
    • https://cdn.sqhk.co/wodabakope/ajgjegh/84926139026.pdfIn PDF document text
    • https://cdn.sqhk.co/waderapal/ixeu1hc/como_usar_game_genie_snes9x.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4394066/normal_6033d8ec66434.pdfIn PDF document text
    • http://tibetterrier.ru/5362493152364hsi.pdfIn PDF document text
    • http://sijuvibitita.iblogger.org/nhlbi_asthma_guidelines_epr-_3_aug_2007.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416653/normal_5fe8fdfb701ea.pdfIn PDF document text
    • https://cdn.sqhk.co/mekurapiw/FYleHia/moto_bike_delivery_heroes.pdfIn PDF document text
    • http://nncucuucuc.space/jijemefg03i.pdfIn PDF document text
    • http://souve.me/3658728320537nsf.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lememisuxelivem.rf.gd/wizigejepusowazepab.pdfIn PDF document text
    • https://s3.amazonaws.com/mivokozibu/liver_detox_diet_plan.pdfIn PDF document text
    • https://s3.amazonaws.com/jiwisigetizoxif/psc_result_2018_marksheet_rajshahi_board.pdfIn PDF document text
    • https://s3.amazonaws.com/penefelomiju/hyphen_and_dash_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/jotizifime/atex_95_directive.pdfIn PDF document text
    • https://s3.amazonaws.com/furunumaroxun/lagu_always_bon_jovi_cover.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_off000105a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105A0 5564 bytes
SHA-256: cb79370ac7be87134e521e4095a214b0d276205876fd6a7a3a428e50e49cc073
font_01_sfnt_off000118a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x118A8 14468 bytes
SHA-256: aa3993c73809fc7ebd4b67ec5b9783d81b46ace863cdb7a80293255196f7a626

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