Malicious PDF — malware analysis report

Static analysis result for SHA-256 f06a75dfbf0541ef…

MALICIOUS

PDF

90.9 KB Created: 2021-03-24 01:48:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: f14ae90e24dff96db4c2405be779a180 SHA-1: 21e2032adec84ae8c60e45fefdddccbb1dda7f86 SHA-256: f06a75dfbf0541ef50f4186379b70634d8e4ca4db06ba32df50bb71564439c4f
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://xajibur.ru/wix?keyword=ff14+leveling+guide PDF link annotation
    • https://cdn.sqhk.co/sepokafaru/nghmRgg/water_park_adventure_time.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379230/normal_5ff95f35e6b95.pdfIn PDF document text
    • https://cdn.sqhk.co/mozigizax/hiifijd/45190731723.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369505/normal_6039d4d4433a8.pdfIn PDF document text
    • http://dajarudaxo.22web.org/jee_mains_b_arch_question_paper_download.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/xomepixo/90502234086.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/06cc9a37-6096-4181-906b-8cc877075f93/fotalomadisota.pdfIn PDF document text
    • https://s3.amazonaws.com/zaxawetawupo/bell_bottom_kannada_full_movie.pdfIn PDF document text
    • https://s3.amazonaws.com/jezaxojipevu/26143464128.pdfIn PDF document text
    • https://s3.amazonaws.com/xijalovelokolep/38022451409.pdfIn PDF document text
    • https://s3.amazonaws.com/guwutivupudutu/rexazazelisa.pdfIn PDF document text
    • http://fozelaw.epizy.com/business_report_baton_rouge.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a4a51886-90a8-46a2-9b85-f8b546d66455/73662277053.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/43d81935-f444-4f24-8a5d-12bdf31e450e/17828079798.pdfIn PDF document text
    • http://niforubuduxema.epizy.com/7161522570.pdfIn PDF document text
    • https://s3.amazonaws.com/vobuturinivi/laterite_bauxite_formation.pdfIn PDF document text
    • http://zevijefe.rf.gd/hobbit_board_game_rules.pdfIn PDF document text
    • https://s3.amazonaws.com/dozore/49494257745.pdfIn PDF document text
    • http://nudujefor.epizy.com/electrical_engineering_technical_report_example.pdfIn PDF document text
    • https://s3.amazonaws.com/zisulamisozoto/gulper_catfish_care_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e0d5c74c-dfb5-459a-888d-66ef1e8af056/what_are_the_3_elements_of_deterrence.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/716a575d-0507-4c5a-9462-164e72637c9b/why_do_we_say_ouch_when_we_get_hurt.pdfIn PDF document text
    • https://s3.amazonaws.com/gewisetug/zukopaxujakefekikidez.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_off00011a2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A2E 4440 bytes
SHA-256: 2a6c5669775bbb9ab7697d72cd503c0790fc916fda0a392e15a10d9dafba9a95
font_01_sfnt_off00012961.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12961 11368 bytes
SHA-256: 8293cfce4480f74dc97278c371c59344269ec6fbdb96fe4a0ffdac87363203f2
font_02_sfnt_off0001500e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1500E 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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