Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd74298d34ffc501…

MALICIOUS

PDF

165.2 KB Created: 2021-01-19 21:01:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-18
MD5: f7a693f4d0822e472f18322d72f9865b SHA-1: e27068f8e3e94c6367251d314a8f656c88652291 SHA-256: cd74298d34ffc50128123c75edb4a9f4f6f3f0ba0d24b08cc11e1632e9aa2ea1
204 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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://ggtraff.ru/wb?keyword=mak%20fast%20scan%20registration In PDF document text
    • https://static.s123-cdn-static.com/uploads/4457857/normal_5fe25abfc46cb.pdfIn PDF document text
    • https://cdn.sqhk.co/vevodusoxif/Yihhfd4/neon_gamer_pokemon.pdfIn PDF document text
    • https://cdn.sqhk.co/vodadavubex/bhj6amU/water_pipes_humming_at_night.pdfIn PDF document text
    • http://wusejopajaxus.22web.org/equation_into_slope_intercept_form_converter.pdfIn PDF document text
    • https://site-1177546.mozfiles.com/files/1177546/xufipamid.pdfIn PDF document text
    • https://site-1197012.mozfiles.com/files/1197012/20821775814.pdfIn PDF document text
    • https://site-1176021.mozfiles.com/files/1176021/fetipumakima.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4406787/normal_5ff073e0bc233.pdfIn PDF document text
    • https://site-1167972.mozfiles.com/files/1167972/mini_bowling_alley_dimensions.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413865/normal_5fd98e5777dc3.pdfIn PDF document text
    • https://site-1178304.mozfiles.com/files/1178304/53652821820.pdfIn PDF document text
    • https://site-1171482.mozfiles.com/files/1171482/gusilewagakeki.pdfIn PDF document text
    • https://site-1171954.mozfiles.com/files/1171954/vuwatafu.pdfIn PDF document text
    • https://site-1178164.mozfiles.com/files/1178164/syndicate_kapitaler_board_dice_business_cards.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xumizaxojumiko.epizy.com/adventure_of_tintin_full_game.pdfIn PDF document text
    • http://bopevevene.epizy.com/giribawa.pdfIn PDF document text
    • http://rovunebezub.epizy.com/38051831685.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023d51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x23D51 5084 bytes
SHA-256: 20ef60f442b659846c4ac77665fb83ea8f24494ede245574427185716f641350
font_01_sfnt_off00024ebb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x24EBB 4284 bytes
SHA-256: 13a4c3882f05e816c4fa58a288011a5a22b8954dc926510551c739476dcf863e
font_02_sfnt_off00025a40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25A40 13768 bytes
SHA-256: 47c434c90586090c33518856b3bbcd5b47ef6e3aaa22f005c54e18c7dedaa6cb

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