Malicious PDF — malware analysis report

Static analysis result for SHA-256 e808dadbf2b29059…

MALICIOUS

PDF

95.9 KB Created: 2021-02-18 09:52:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 7c685956ffb27d54b3509c03d714d513 SHA-1: f69910ecb33ab77ecdbd9fda8df60cb602d11f6d SHA-256: e808dadbf2b29059ab17af57786b29e48b65d5de125ac0afc251868d16a5b90e
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'baarspo.ru', which is likely a phishing or malware distribution site. The document body, though heavily obfuscated, appears to be a lure related to a game guide, suggesting a social engineering tactic to trick users into clicking the malicious link. No scripts were extracted, but the presence of external URIs and the overall detection profile strongly suggest a phishing or downloader attack pattern.

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://baarspo.ru/wix?keyword=pokemon+blaze+black+2+location+guide PDF link annotation
    • https://cdn.sqhk.co/zetuzire/giidgif/62013301972.pdfIn PDF document text
    • https://cdn.sqhk.co/modonasuje/whjgcJu/gisamigedekos.pdfIn PDF document text
    • https://cdn.sqhk.co/dimowitop/pqhijKc/gidebadurabefifegup.pdfIn PDF document text
    • https://cdn.sqhk.co/gomurabog/iJtXics/94325650257.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4392191/normal_5ff2ac600e584.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407085/normal_6015b9c4df596.pdfIn PDF document text
    • https://cdn.sqhk.co/loxowopiv/BhjgcZ0/sotuvirolaserorib.pdfIn PDF document text
    • http://zajowidased.iblogger.org/bedford_weather_report.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/dekogamik/mejogekojupemibasulizone.pdfIn PDF document text
    • http://bovudavibivutu.epizy.com/wazagenikesoxisinoru.pdfIn PDF document text
    • https://s3.amazonaws.com/kalanejaxutilif/32481165546.pdfIn PDF document text
    • https://s3.amazonaws.com/juvosi/editable_cheque_template_uk.pdfIn PDF document text
    • http://lojupodinitaxug.epizy.com/gukax.pdfIn PDF document text
    • https://s3.amazonaws.com/pazatuv/10229260444.pdfIn PDF document text
    • http://didewuwu.epizy.com/gluckstein_sheets_warranty.pdfIn PDF document text
    • https://s3.amazonaws.com/sixolose/irs_form_941_schedule_b_amended.pdfIn PDF document text
    • https://s3.amazonaws.com/mizeteb/15427550544.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_off0001304f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1304F 5372 bytes
SHA-256: ee21fed67bcc230e55c8f8c0326880dcf2931c9d16912cfc1e645dde1e1ab32d
font_01_sfnt_off00014294.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14294 15436 bytes
SHA-256: c999a24f61968991adbbacb08dcf2cd60a34762d1c60fa4cebcf35cb28574ba1

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