Malicious PDF — malware analysis report

Static analysis result for SHA-256 96b0ee5237c77002…

MALICIOUS

PDF

76.8 KB Created: 2021-03-27 11:36:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02
MD5: 93cce43eca406407f690173f56bc13ac SHA-1: 5f9525f8d9f1630ab108c5595c8f286ab4531102 SHA-256: 96b0ee5237c77002c3042051c1a38e9ea72432b7cc3eaf76591912c457929f57
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, with a high risk score. It contains an external URI pointing to a URL that mimics exam results, suggesting a phishing or scam lure. While no scripts were explicitly extracted, the PDF structure and embedded URLs indicate it's designed to redirect users to potentially malicious content, likely for credential harvesting or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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/award?keyword=mht+cet+2020+result+download+pdf PDF link annotation
    • https://cdn.sqhk.co/vasibejovej/dxn5Oic/tonowurak.pdfIn PDF document text
    • https://cdn.sqhk.co/jarixizotib/9hf20id/revowajabijozazuvubipu.pdfIn PDF document text
    • https://cdn.sqhk.co/pagifizipafo/eicnVih/imf_world_economic_outlook_report_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/nenafodud/iigjhhg/sweetest_love_letter_for_your_girlfriend_in_urdu.pdfIn PDF document text
    • https://cdn.sqhk.co/sipebesoxu/CbT1ghp/everfi_module_5_credit_scores_answers.pdfIn PDF document text
    • https://cdn.sqhk.co/lanamixese/d3cG3ha/83959366063.pdfIn PDF document text
    • https://cdn.sqhk.co/tuwagezo/hc59wjh/weather_app_icon_purple.pdfIn PDF document text
    • https://cdn.sqhk.co/jobubexivex/5BjfLih/bekugak.pdfIn PDF document text
    • https://cdn.sqhk.co/sokodajep/hyhhijb/cleavage_blastula_formation.pdfIn PDF document text
    • https://cdn.sqhk.co/kogeledewafo/xsIhdvm/22762685147.pdfIn PDF document text
    • https://cdn.sqhk.co/lugizumevemu/higL9u5/98935092105.pdfIn PDF document text
    • https://cdn.sqhk.co/vinasujitupe/4wib1N0/kanewilusoroforafijobu.pdfIn PDF document text
    • https://cdn.sqhk.co/dasupejej/aTlhbme/60122240358.pdfIn PDF document text
    • https://cdn.sqhk.co/nazujovo/jBicgcQ/cooking_fever_game_for_pc_play_online_free.pdfIn PDF document text
    • https://cdn.sqhk.co/fogibadeku/ZVifdeM/amtrak_auto_train_motorcycle_cost.pdfIn PDF document text
    • https://cdn.sqhk.co/pemoxeriko/i6haVif/begazilutujoneko.pdfIn PDF document text
    • https://cdn.sqhk.co/vafodagusun/jeiijjW/graphic_design_apps_for_iphone_free.pdfIn PDF document text
    • https://cdn.sqhk.co/rikopekela/ejeau44/77169545452.pdfIn PDF document text
    • https://cdn.sqhk.co/xusarukave/bgie36p/19650572311.pdfIn PDF document text
    • https://cdn.sqhk.co/kigaratak/jiaqigG/73247889874.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/suxiweke/fijovulenomun.pdfIn PDF document text
    • https://s3.amazonaws.com/mamibis/how_to_fix_a_broken_ink_cartridge.pdfIn PDF document text
    • https://s3.amazonaws.com/sojebelevenex/katimufawedisep.pdfIn PDF document text
    • https://s3.amazonaws.com/veraxawewib/7195814867.pdfIn PDF document text
    • https://s3.amazonaws.com/mogipegi/lamegagawelifejo.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_off0000ebfa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBFA 5616 bytes
SHA-256: 8a722cb86bf5f7d44eb0ccdf79748bab922486881d451007778cde2479c403a4
font_01_sfnt_off0000ff36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF36 11172 bytes
SHA-256: 91f9496940c945e48cc8342f28980a17bd67b7364dee97472d328a9cfa75a1fa

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