Malicious PDF — malware analysis report

Static analysis result for SHA-256 039746f226f05e57…

MALICIOUS

PDF

101.3 KB Created: 2021-05-12 14:07:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 85cfbd57cbd546a8245d28bd39a9870b SHA-1: 2b95240abe4263a279166f45685bcaa360f98a49 SHA-256: 039746f226f05e5764a0149635e5fb25d10b72e74926652988681296ebacf2bf
104 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to 'nipisod.ru', which is associated with a phishing lure related to 'Cyberpunk 2077' game updates. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to a malicious site, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9976

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
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://nipisod.ru/strik?utm_term=cyberpunk+2077+ps4+update+news
    • https://cdn-cms.f-static.net/uploads/4460243/normal_6024aa9d91cc9.pdf
    • http://bitalotava.scienceontheweb.net/reporodof.pdf
    • https://static.s123-cdn-static.com/uploads/4377380/normal_5fc7ee3e45c2a.pdf
    • http://bukuxojunuz.mypressonline.com/talovowulikodukur.pdf
    • https://static.s123-cdn-static.com/uploads/4418368/normal_5fe1875919704.pdf
    • https://cdn-cms.f-static.net/uploads/4500425/normal_6039df23371aa.pdf
    • http://mafejaruvoje.sportsontheweb.net/3rd_grade_spelling_bee_words.pdf
    • http://xojuxelase.medianewsonline.com/modal_verb_conversation_listening.pdf
    • http://tevutubiwij.getenjoyment.net/cards_against_humanity_cards.pdf
    • http://vuwagumewaga.iblogger.org/dc_shunt_motor_theory.pdf
    • http://mifilud.iblogger.org/vuzisojajuxulaf.pdf
    • http://pinezotamex.getenjoyment.net/cirugia_ambulatoria.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://nuvavevuk.rf.gd/xisipisaxixolinerapuxet.pdf
    • http://duladujofivar.rf.gd/xutinume.pdf
    • http://tufelurokid.epizy.com/certified_ethical_hacker_v9_download.pdf
    • http://vazubasalax.epizy.com/ketogenic_diet_recipes_free.pdf
    • http://fomobiwudaz.rf.gd/88119600038.pdf
    • http://vejavete.rf.gd/sibapazudafanaxofavixi.pdf
    • http://nekelaxowe.atwebpages.com/au_aw_al_worksheets.pdf
    • http://wovibojo.onlinewebshop.net/63416934407.pdf
    • http://sufotef.rf.gd/woodworking_cabinet_doors.pdf
    • http://xirexadugimog.atwebpages.com/buddhist_meditation_techniques.pdf
    • https://f16fa5c1-8556-4bba-8f86-04d9c108beb0.filesusr.com/ugd/2c3d75_f75a3029c6b4408888baf2f95ec04856.pdf?index=true
    • https://3c8197b3-f999-4f29-b3da-fbdfea3dbf34.filesusr.com/ugd/0047a4_635e038a2d284e1c8c033b176605829e.pdf?index=true
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00013231.bin
4be34626e3467f56c6d9b8b52fa22b6144430c8b191192ac27be0bd1fc9ef2dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13231 3288 bytes
font_01_sfnt_off00013dda.bin
d5e9ecb844a91985a0d6928a1e3c40a65375401288d90d6688d93b0e1ce64427		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13DDA 5508 bytes
font_02_sfnt_off000150c1.bin
e86ffd2a4de63eb6b6e10c955e34c12041068ea0561705cce271f0d77c7f5a22		 pdf-font-stream PDF embedded font (sfnt) at offset 0x150C1 11908 bytes
font_03_sfnt_off0001794b.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1794B 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.