Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d12d851dfcf6e96…

MALICIOUS

PDF

80.4 KB Created: 2021-03-30 03:58:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: ad7d4fc52f16490243ae55a44ee1ddc8 SHA-1: 9abc6598d93aab6b560a4588d5e428e8faac7ca1 SHA-256: 3d12d851dfcf6e9651c123be4f94b6e267ff648e4f9fccfef9c61c3a0a096ff8
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 0.9998

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://maypoin.ru/strik?utm_term=what+is+the+romeo+and+juliet+law+in+virginia PDF link annotation
    • http://zonitupupafof.sportsontheweb.net/suvolajisabogudaz.pdfIn PDF document text
    • http://fabujisaw.mygamesonline.org/sirewazowitan.pdfIn PDF document text
    • http://thedouche.xyz/arya_movie_climax_ringtone4w0ei.pdfIn PDF document text
    • http://gomigapujasep.sportsontheweb.net/tuxesiligejinejamilolalud.pdfIn PDF document text
    • http://jisutuxoxaza.medianewsonline.com/batman_arkham_asylum_game_guide.pdfIn PDF document text
    • http://jonebukusopovet.mygamesonline.org/charles_darwin_origin_of_species_first_edition.pdfIn PDF document text
    • http://civiliscmq.online/vawupeteziluzofojimi25oxj.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453338/normal_602389528d0e6.pdfIn PDF document text
    • http://keruluzo.medianewsonline.com/calculus_limits_download.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386361/normal_5fd32062e5dfe.pdfIn PDF document text
    • http://minuette.me/2639193556577ua4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485711/normal_6023e36a41283.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374178/normal_5fe0de5e2623e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501486/normal_602a379dae407.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/bepukuba/how_to_assemble_bissell_powerforce_compact.pdfIn PDF document text
    • https://s3.amazonaws.com/rawesaragegugar/gentleman_movie_songs_free.pdfIn PDF document text
    • http://nivuzujanux.myartsonline.com/16421027289.pdfIn PDF document text
    • https://s3.amazonaws.com/zodawanuror/16238466049.pdfIn PDF document text
    • http://negumigimewote.onlinewebshop.net/most_common_idioms_list.pdfIn PDF document text
    • https://s3.amazonaws.com/topipovikapari/singular_and_plural_nouns_worksheet_grade_3.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_off0000fc4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC4C 5480 bytes
SHA-256: b0c20b7f0d435206f8e52bf155c725b095bdbae3d1bad5784a6761c65a510f22
font_01_sfnt_off00010ee1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10EE1 10900 bytes
SHA-256: b37a5d5f797c7498d4c823818038f2fcf8144c2a837a918d391dc2ca35227a10

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