Malicious PDF — malware analysis report

Static analysis result for SHA-256 b4b62f609db7513f…

MALICIOUS

PDF

70.1 KB Created: 2021-02-17 10:33:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 0e29a822c400aabb919e1d0b36dc8927 SHA-1: e1233a2cac4652beda754b85db86ada9cf822771 SHA-256: b4b62f609db7513f0646b2782c539234e436f6eb0231572fec7636af80a40b2f
96 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The document contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a phishing or social engineering attack.

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://bologen.ru/strik?utm_term=ariens+snow+blower+shear+bolts+kit PDF link annotation
    • https://cdn.sqhk.co/luxixumogez/T7kifDa/ink_master_cast_season_13.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379960/normal_5ff862f73d094.pdfIn PDF document text
    • https://cdn.sqhk.co/nagebagem/FgiRgcy/werewolf_the_apocalypse_prophecy.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486356/normal_5ff469b95d554.pdfIn PDF document text
    • https://cdn.sqhk.co/lolajelor/1n7lkfE/trick_shots_winter_park_winter_park_fl.pdfIn PDF document text
    • https://cdn.sqhk.co/pobijejok/iS0UxAn/sky_gamblers_storm_raiders_2_apk_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/letaziseb/hjUsjcO/free_slot_machines_games_online.pdfIn PDF document text
    • https://cdn.sqhk.co/zofizitene/KH1PjaE/i_wish_stevie_wonder_lyrics.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/wovugi/toyota_avensis_2015_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/busutafitufe/cursive_alphabet_sheet_printable.pdfIn PDF document text
    • https://s3.amazonaws.com/bibejovixapis/57131427869.pdfIn PDF document text
    • https://s3.amazonaws.com/zowejunef/lamesa_press_reporter_front_page.pdfIn PDF document text
    • https://s3.amazonaws.com/debiwelof/message_app_windows_10.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_off0000d5fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5FD 5060 bytes
SHA-256: 4f47aac787484fb6507ecbdd937b126d7374620189228a5fc612320ada21059c
font_01_sfnt_off0000e733.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE733 10636 bytes
SHA-256: e26d4134ea9b919479dcd0d9d541416e2a106baae46624a818fa3878f49ac122

Open this report in the interactive analyzer, or submit your own file for analysis.