Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc2f7260f256f210…

MALICIOUS

PDF

80.2 KB Created: 2021-03-28 13:51:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 057969b9d9bf0969c788f4f7d50efb6a SHA-1: 14e8f90637366456ecdafea35464ef20e8f8d718 SHA-256: cc2f7260f256f210466288b86d72fa65f1a3a7cb5a77160c604deb463192a8de
96 Risk Score

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 0.9996

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://crophysi.ru/strik?utm_term=how+to+find+the+angle+measure+of+a+polygon PDF link annotation
    • https://cdn.sqhk.co/fuludasowipu/w6ifyji/final_fantasy_3_jobs_best.pdfIn PDF document text
    • http://laludinemolat.sportsontheweb.net/92017875657.pdfIn PDF document text
    • http://sowoxapexemex.sportsontheweb.net/gemifojeroto.pdfIn PDF document text
    • https://cdn.sqhk.co/tatolodam/gqidshh/5488455730.pdfIn PDF document text
    • https://cdn.sqhk.co/xidizizo/XhRghiZ/wijibejaniletaxedeboxoji.pdfIn PDF document text
    • https://cdn.sqhk.co/vituxezij/egiaAhf/the_art_of_war_summary_business.pdfIn PDF document text
    • https://cdn.sqhk.co/dawolesirip/IjfguVK/sawukusax.pdfIn PDF document text
    • http://xazapefunel.getenjoyment.net/vadamenezakujovagefewef.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/kufazete/apple_logo_hd_images.pdfIn PDF document text
    • https://s3.amazonaws.com/nigimul/trichiasis_adalah.pdfIn PDF document text
    • http://nisetekotixob.myartsonline.com/bangladesh_army_circular_2020_download.pdfIn PDF document text
    • https://s3.amazonaws.com/kefodek/arkansas_final_franchise_tax_report_form.pdfIn PDF document text
    • https://s3.amazonaws.com/tunenijexe/mumbai_university_b._ed_course_information.pdfIn PDF document text
    • http://gosaduzunake.myartsonline.com/evening_dress_pattern.pdfIn PDF document text
    • https://s3.amazonaws.com/sabobenuwe/globetrotter_travel_guide_japan.pdfIn PDF document text
    • https://s3.amazonaws.com/dafumuxitupav/1681999762.pdfIn PDF document text
    • http://duxegejuw.atwebpages.com/electronics_book_download.pdfIn PDF document text
    • https://s3.amazonaws.com/vekodupiwarobi/tokedolafawakobafemus.pdfIn PDF document text
    • http://zugepoguj.onlinewebshop.net/65429874491.pdfIn PDF document text
    • https://s3.amazonaws.com/kozewuposoridil/33930619608.pdfIn PDF document text
    • https://s3.amazonaws.com/fajeloninesitel/xupidudanuxoxaf.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_off0000e97c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE97C 5492 bytes
SHA-256: f5cb755744fb55d518794bce47a4cf719ab6410ae7ccde1856b17c0bb9a933dc
font_01_sfnt_off0000fc14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC14 11976 bytes
SHA-256: 2a99c52d5318bf79b863a3ba6b98e189dadfdd26fe0b898836500203a306a32d
font_02_sfnt_off000124e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x124E8 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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