Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0e20d969f4bfbda…

MALICIOUS

PDF

80.3 KB Created: 2021-03-19 01:25:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: c39cf341d0e49af18751b9ad5b509a42 SHA-1: 38635d03bfd07b04485bff8a7863388f605667e6 SHA-256: b0e20d969f4bfbda3dfb021c88e166edb455308c192388fcbeb8b3a068616425
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 0.9998

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://gimoguvi.ru/wix?keyword=dark+yojimbo+guide PDF link annotation
    • http://lotiruwibek.iblogger.org/2006_honda_odyssey_ex-l_problems.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4402503/normal_5ff7c9f28c106.pdfIn PDF document text
    • https://cdn.sqhk.co/lunilageruvu/RM6ujaO/real_boxing_fighting_game_apk.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481286/normal_5fcc0b35d6958.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451762/normal_60109fa6d3a44.pdfIn PDF document text
    • http://jerigegunodew.iblogger.org/lala_ramswaroop_calendar_2020_download_free.pdfIn PDF document text
    • http://sinoniwim.22web.org/leasing_consultant_cover_letter_template.pdfIn PDF document text
    • https://cdn.sqhk.co/wakivunet/jjeifhc/5388243177.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4411481/normal_5fcfa337dbd25.pdfIn PDF document text
    • https://cdn.sqhk.co/kozuvurop/idhgsmD/free_2_player_online_games_xbox_one.pdfIn PDF document text
    • https://cdn.sqhk.co/sanozusu/iahemib/ice_cream_sandwich_cookie_recipe_chocolate.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fosisoxefet.epizy.com/you_broke_my_heart_quotes.pdfIn PDF document text
    • https://s3.amazonaws.com/zagapaxa/28386563243.pdfIn PDF document text
    • https://s3.amazonaws.com/tanapilamaxi/operations_research_programs_ranking.pdfIn PDF document text
    • https://s3.amazonaws.com/zifozujiwi/58248586523.pdfIn PDF document text
    • http://vejebuta.rf.gd/30xa_carrier_chiller_catalogue.pdfIn PDF document text
    • https://s3.amazonaws.com/bogeguva/rafoxadozepagotu.pdfIn PDF document text
    • https://s3.amazonaws.com/kefefetafij/chereeki_fitness_tracker_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/dikobepibelun/85869011778.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_off0000eb42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB42 4820 bytes
SHA-256: 01d17fccd78976a95762684df79b62dd99891d0b12ec2d1583c05bf1607a7b4b
font_01_sfnt_off0000fc1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC1D 5316 bytes
SHA-256: 55cee3da57f57cbb0751fb014954fde068e7283147c64160451b80bbf6d41460
font_02_sfnt_off00010e34.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E34 11252 bytes
SHA-256: 238b8bd996abb0e0ddef68be71987ff06c22dd3852409b3456e8d51f3cb098e2

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