Malicious PDF — malware analysis report

Static analysis result for SHA-256 64868e6e32d894e0…

MALICIOUS

PDF

169.5 KB Created: 2021-02-15 20:18:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 8dd3e5b72f4b6c6310714254891ac467 SHA-1: 975a0afc68133da933576c8c963414117a1266e8 SHA-256: 64868e6e32d894e0a71a5d90fe26dcbd0aad866228e58534e71e23cc3a1da211
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 0.9994

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/wix?keyword=grover+beach+elementary+school PDF link annotation
    • https://cdn.sqhk.co/letaziseb/yHhjjfW/xedoxewukutozos.pdfIn PDF document text
    • https://jopomewimedadi.weebly.com/uploads/1/3/4/4/134465277/bunibisij.pdfIn PDF document text
    • https://cdn.sqhk.co/bopelara/gjh4jbn/53223610085.pdfIn PDF document text
    • https://nadenekaf.weebly.com/uploads/1/3/0/7/130739264/lejalebomox.pdfIn PDF document text
    • https://cdn.sqhk.co/foxezevewa/iacmU4M/45585804787.pdfIn PDF document text
    • https://cdn.sqhk.co/nimabugokofa/jdhhgie/batobigenifav.pdfIn PDF document text
    • https://kenazago.weebly.com/uploads/1/3/1/0/131070597/xeloze.pdfIn PDF document text
    • https://cdn.sqhk.co/jedetanepiz/cZ0bqja/wild_west_new_frontier_game_online.pdfIn PDF document text
    • https://cdn.sqhk.co/bedogipaxog/ghaigha/tumblr_quotes_about_lovesick.pdfIn PDF document text
    • https://cdn.sqhk.co/bowazeduz/jwF4HsB/rollerball_game_ps4.pdfIn PDF document text
    • https://rogujodur.weebly.com/uploads/1/3/4/8/134899240/mepegefoje.pdfIn PDF document text
    • https://cdn.sqhk.co/vagewovupug/gIiijgh/pavebo.pdfIn PDF document text
    • https://cdn.sqhk.co/pubisifibuj/BQLgjha/8819028636.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4500910/normal_601f5f8f0a167.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/vosimalume/64075161352.pdfIn PDF document text
    • https://s3.amazonaws.com/gifiz/horror_hollywood_movies_tamilrockers.pdfIn PDF document text
    • https://s3.amazonaws.com/suzujewa/alight_motion_pro_apk_android.pdfIn PDF document text
    • https://s3.amazonaws.com/xebuvuwov/cerere_demisie_cu_acordul_ambelor.pdfIn PDF document text
    • https://s3.amazonaws.com/nosepevozux/smc_cylinder_cad_data.pdfIn PDF document text
    • https://s3.amazonaws.com/sesafefanulokam/xovod.pdfIn PDF document text
    • https://s3.amazonaws.com/bovenotojitowe/meri_aashiqui_song_bestwap.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_off00026282.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x26282 5372 bytes
SHA-256: 37bd6e68679a1361decf0a59d45cbd062c7820c814e97059ff10eb8daea87f47
font_01_sfnt_off000274ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x274AE 10308 bytes
SHA-256: 0a67dd0fda6d7658bdca0da2c81074e7f0244bb96b82963b45c349b32067eccd

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