Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ab86af5c74b58c6…

MALICIOUS

PDF

76.1 KB Created: 2021-03-10 05:06:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4dfe86a4c23bdb48054be844bb544b79 SHA-1: 69323416265be053b429d4d28ec8ea752c1aa105 SHA-256: 3ab86af5c74b58c69ca866501771791804dd7d315b0f641c7f9d2850e799bd69
124 Risk Score
Tags
free-cdn-ebook-manual-lure

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 for 'Pdf.Phishing.Trojan'. It contains numerous embedded URLs, with one specifically pointing to 'golowaki.ru', suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, appears to be a lure related to educational materials.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5485

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
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://golowaki.ru/award?keyword=6th+grade+reading+comprehension+worksheets+pdf PDF link annotation
    • http://sizoxuk.22web.org/thomson_listening_test_4_answers.pdfIn PDF document text
    • https://jukonejidar.weebly.com/uploads/1/3/4/8/134876273/2fe34dfd.pdfIn PDF document text
    • http://vixitatevejiwo.getenjoyment.net/burley_dlite_x_australia.pdfIn PDF document text
    • http://lamakexo.scienceontheweb.net/where_are_the_tropical_rainforest_located_in_india.pdfIn PDF document text
    • http://sopafekidis.sportsontheweb.net/celiac_disease_nutrition.pdfIn PDF document text
    • https://vikenefimedok.weebly.com/uploads/1/3/4/3/134390201/ziwoto_duladuz_vozuga.pdfIn PDF document text
    • https://bixoriwapavam.weebly.com/uploads/1/3/4/7/134731951/dopiba-tifuvek-gidusexojabap.pdfIn PDF document text
    • http://zememor.sportsontheweb.net/super_contra_7_nes_game_genie_codes.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/89600234-1562-452b-9435-533a4a852337/does_t_mobile_offer_unlimited_hotspot.pdfIn PDF document text
    • http://rixuroruwe.myartsonline.com/6830940433.pdfIn PDF document text
    • https://9df6fdd8-df71-43fb-87ad-b121b2de7416.filesusr.com/ugd/e0d0cf_6874b55b9db2450c86914e8ea58d8131.pdf?index=trueIn PDF document text
    • http://bigobawavelig.epizy.com/sword_art_online_light_novel_16.5_vietsub.pdfIn PDF document text
    • https://b9a4c3d6-4ccf-4d04-9b0f-c2e9c357e15d.filesusr.com/ugd/e5cbe5_7e099df0a4204b5aadf0434268b454c6.pdf?index=trueIn PDF document text
    • https://254a6a59-343e-4b7e-907c-c4819e171fff.filesusr.com/ugd/decf6f_1db9bf05ad2e4274a0da2a208c9e46c8.pdf?index=trueIn PDF document text
    • http://wabalegawamiraj.rf.gd/wowhead_bfa_class_guides.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f0189389-fa16-4119-9bf0-c41e3c92f180/what_is_journey_to_the_west_based_on.pdfIn PDF document text
    • http://megomofa.rf.gd/kolavanofonaxuxofuxab.pdfIn PDF document text
    • http://fejasafevavo.epizy.com/98129458511.pdfIn PDF document text
    • http://mogigolutatuliz.rf.gd/jilatima.pdfIn PDF document text
    • https://ca6b24e6-01cd-4368-a310-1df05077a315.filesusr.com/ugd/11b39a_3fbaf5bc45ec4d0b8d8a76826e6cdc67.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/3437e75e-bbc0-4133-9ad6-f930f7a23468/does_it_snow_in_washington_state_in_december.pdfIn PDF document text
    • http://porumujowupof.epizy.com/t_fal_clipso_pressure_cooker_6l.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/36c362ec-5ecf-492b-8b43-f1aae960d2e6/9010767931.pdfIn PDF document text
    • http://favukimasinete.rf.gd/maa_tujhe_salaam_song_ar_rahman.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f88a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF88A 5752 bytes
SHA-256: 429098ffe3a8a299b4d981b6ab97fa4916b0528b74a8be44188cde1d497bfe39
font_01_sfnt_off00010c05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C05 10440 bytes
SHA-256: f918db85e2ddf486a1af4d07500c565c06863434db253e52afbc9bc6112454ac

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