Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e6ae4b235b25be7…

MALICIOUS

PDF

77.4 KB Created: 2021-04-11 07:24:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: ebd4f3893604429f31076f851b2d53d5 SHA-1: 30cb69e9b4987ef468b4696aae6bafb9cbec44e4 SHA-256: 9e6ae4b235b25be702f3705265cc99d946dfee3490ba5bb8a28b4cb907a8c0f1
96 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by a ClamAV signature and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended for phishing or malware distribution. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and 'lean canvas', suggesting a lure to a malicious website.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://jumiwimov.ru/strik?utm_term=how+to+complete+lean+canvas PDF link annotation
    • https://cdn.sqhk.co/jivonaxadu/H7ghifq/warplanes_ww2_dogfight_hack_apk_download.pdfIn PDF document text
    • http://tuderoba.getenjoyment.net/30450586912.pdfIn PDF document text
    • https://nebemono.weebly.com/uploads/1/3/4/3/134331812/2a2e49fa37e7.pdfIn PDF document text
    • http://lazakefezives.mygamesonline.org/ignou_b._ed_study_material.pdfIn PDF document text
    • https://cdn.sqhk.co/moserusoba/puigHbd/street_fighter_iv_champion_edition_all_characters.pdfIn PDF document text
    • http://demuxum.getenjoyment.net/99310966743.pdfIn PDF document text
    • http://midesamipazizuj.scienceontheweb.net/auguries_of_innocence_analysis.pdfIn PDF document text
    • http://kukogekaw.sportsontheweb.net/66646219968.pdfIn PDF document text
    • https://cdn.sqhk.co/gixelotopa/xibijgh/disable_app_vault_miui_11.pdfIn PDF document text
    • http://pazolozul.mypressonline.com/64057379699.pdfIn PDF document text
    • https://cdn.sqhk.co/miranilu/hhibjgZ/lunutazuxuxasipizev.pdfIn PDF document text
    • https://jelifamije.weebly.com/uploads/1/3/4/3/134320618/7575529ea580.pdfIn PDF document text
    • https://dekedenavit.weebly.com/uploads/1/3/4/6/134612093/dijadapew-mimewev-befada.pdfIn PDF document text
    • http://neletaparufo.scienceontheweb.net/cusat_btech_syllabus_2020_scheme_ece.pdfIn PDF document text
    • https://vuduzilir.weebly.com/uploads/1/3/1/8/131857383/zisuvidixatefoli.pdfIn PDF document text
    • https://cdn.sqhk.co/mujejadalale/jijakhe/cinta_luar_biasa_cover_della_firdatia.pdfIn PDF document text
    • https://cdn.sqhk.co/tejilunuf/dSFY0CT/19971457421.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/mojivikapeti/hospital_linen_bed_sheets_in_india.pdfIn PDF document text
    • https://s3.amazonaws.com/vigevot/massey_ferguson_1655_parts_diagram.pdfIn PDF document text
    • http://duxegejuw.atwebpages.com/57771828196.pdfIn PDF document text
    • https://s3.amazonaws.com/zumomasugipeno/how_to_writing_survey_report.pdfIn PDF document text
    • https://s3.amazonaws.com/xurixado/rofubafakitapusok.pdfIn PDF document text
    • https://s3.amazonaws.com/luramamelolem/cydia_repo_template.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_off0000f32c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF32C 5096 bytes
SHA-256: 4d9e3458432256365f266e63a24ed909176a075af361038e04b1a3778bda927e
font_01_sfnt_off00010486.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10486 10544 bytes
SHA-256: 3b75fb7dbbd5840dee1d9a70aad3bd1c76f8f3bd59fbe3e459253fc44c333873

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