Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e0b5e4f201e2b1a…

MALICIOUS

PDF

78.7 KB Created: 2021-02-21 11:14:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 9eee7993465c39e694a36c4394dc5dd3 SHA-1: dfb600884345ec1908fb6076545e0c8bf585a26e SHA-256: 5e0b5e4f201e2b1a4abb20ff3c324ce6ae18d2eb7d109c40ee1e80969c438e98
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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=used+honda+petrol+pressure+washer+for+sale PDF link annotation
    • https://cdn.sqhk.co/dilizilozok/jygihcp/10264003280.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458413/normal_601e65655f6ac.pdfIn PDF document text
    • http://sawotawigusewon.22web.org/world_best_wallpaper_for_pc_free.pdfIn PDF document text
    • https://cdn.sqhk.co/fuzomorikat/hijp6ib/xazunidavuzenexudor.pdfIn PDF document text
    • http://nerroba.info/ap_econ_demand_and_supply_study_guidegbqhk.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/gumagabu/vowekiledufoxupisiro.pdfIn PDF document text
    • http://xegefonupekowa.epizy.com/infinitive_worksheet_grade_7.pdfIn PDF document text
    • http://wezojepodi.rf.gd/worksheet_of_conjunction_for_class_5th.pdfIn PDF document text
    • https://s3.amazonaws.com/godewumazek/87809211800.pdfIn PDF document text
    • https://s3.amazonaws.com/taguxif/gallatin_river_fly_fishing_guides.pdfIn PDF document text
    • https://s3.amazonaws.com/wiremeresegikon/22296898659.pdfIn PDF document text
    • https://s3.amazonaws.com/vufupu/mipuwomozotozuduzowufap.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_off0000f572.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF572 5212 bytes
SHA-256: ffc4f41b9dadd88ac5d63ea5c4d00e06fd581ffade530b6fe17d75d9128ca19a
font_01_sfnt_off0001073f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1073F 11480 bytes
SHA-256: c97230509feb00cee5d3c1d7cfd7fdb22d226f50c773637534b3794cfa2bebb1

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