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)
MD5: 4dfe86a4c23bdb48054be844bb544b79 SHA-1: 69323416265be053b429d4d28ec8ea752c1aa105 SHA-256: 3ab86af5c74b58c69ca866501771791804dd7d315b0f641c7f9d2850e799bd69
94 Risk Score

Malware Insights

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

The PDF file contains an embedded URI that points to a suspicious domain, likely intended to trick the user into downloading further malicious content or visiting a phishing page. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to exploit user trust for malicious purposes.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5485

Heuristics 3

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

Extracted artifacts 2

Files carved from inside the sample during analysis.

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