Malicious PDF — malware analysis report

Static analysis result for SHA-256 ffe5e045ef01714c…

MALICIOUS

PDF

85.9 KB Created: 2021-03-23 21:21:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 7dc1c7fe1c1e65c9b561039e1732f27e SHA-1: c11c3e91efceed264e0163860e910d295d2e3b66 SHA-256: ffe5e045ef01714c50ea3bb5e3d600b838097dd90cea2ddbcc7fde785340e9bd
126 Risk Score

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'. The document body, though heavily obfuscated, contains text related to movie downloads, suggesting a phishing or malware distribution lure. The presence of numerous external URIs, many pointing to disposable hosting, further supports this. No scripts were extracted, but the overall structure and heuristic firings indicate a malicious intent to trick users into visiting malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • 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
  • 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://xezojetit.ru/strik?utm_term=maze+runner+death+cure+full+movie+download+in+hindi PDF link annotation
    • https://cdn.sqhk.co/bibolaned/Iign5T7/super_bomberman_r_online_stadia.pdfIn PDF document text
    • https://cdn.sqhk.co/xakelafu/gcgiibL/callaway_mavrik_pro_graphite_irons_review.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489615/normal_605061679e666.pdfIn PDF document text
    • https://cdn.sqhk.co/xovatagemi/ibtvIge/talion_shadow_of_war_voice_actor.pdfIn PDF document text
    • http://luxasireku.sportsontheweb.net/mokuja.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383444/normal_601212cc8c34a.pdfIn PDF document text
    • http://nakotigolajeg.scienceontheweb.net/definite_indefinite_articles_exercises_upper_intermediate.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4376878/normal_5ffca8783dbf8.pdfIn PDF document text
    • http://sakivometo.medianewsonline.com/christmas_songs_chords.pdfIn PDF document text
    • https://cdn.sqhk.co/xasomegupur/1idifGX/45900222122.pdfIn PDF document text
    • https://cdn.sqhk.co/webepinovet/iehahfX/posawizim.pdfIn PDF document text
    • https://cdn.sqhk.co/pesegozod/txYheQR/now_voyager_full_movie_download.pdfIn PDF document text
    • https://cdn.sqhk.co/degavorofala/hhhhicT/kajolofakuberuzijizokunap.pdfIn PDF document text
    • https://cdn.sqhk.co/bovokolel/dChigcO/savixerutuxiloxon.pdfIn PDF document text
    • https://cdn.sqhk.co/fujalapevame/YpGUE7x/ates_ve_su_3_buz_devri_kral_oyun.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/93532a29-24f0-4c78-8555-b70680a7a396/black_decker_workmate_parts_list.pdfIn PDF document text
    • https://s3.amazonaws.com/fulosobezur/second_conditional_multiple_choice_exercises.pdfIn PDF document text
    • https://s3.amazonaws.com/senodiw/early_rental_termination_agreement.pdfIn PDF document text
    • https://s3.amazonaws.com/vuterijoze/pibemevuxenoli.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/61082a96-96b5-479d-8324-6ff25296be3f/kobakurowuvabona.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010ae1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10AE1 5288 bytes
SHA-256: 9c4519abc27fe9211a6f7bb4b5f34b35b05d00bef0f85d95d754782a7570df3e
font_01_sfnt_off00011ce0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11CE0 12804 bytes
SHA-256: eaa0cac1a26066ed2f22efdd2e2fefe2c408d997195a28932c4e3dd4f72f172c

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