Malicious PDF — malware analysis report

Static analysis result for SHA-256 64a14e63e85a2f14…

MALICIOUS

PDF

62.7 KB Created: 2021-03-29 10:43:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6b9768a9919343d302be4f2b2e2424ab SHA-1: f421fe77635d7c796c8929ac616ca01f7615e2ae SHA-256: 64a14e63e85a2f1431c56842bed99eed491ae379f04085a1a8db4af0f0b0ffaa
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document functions as a link farm, directing users to numerous external websites under the guise of providing academic resources. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of generated links, suggesting an attempt to manipulate search engine results or distribute malicious content. The ML classifier and ClamAV detection further support its malicious nature, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7624

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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
  • 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://botokaw.ru/award?keyword=mathematical+physics+pdf+for+bsc+1st+year
    • https://muxapikaw.weebly.com/uploads/1/3/5/3/135346573/3264285.pdf
    • https://fifofisepag.weebly.com/uploads/1/3/5/9/135985139/832fda22ad.pdf
    • https://cdn.sqhk.co/penavagalo/oSUvBfR/fabomedojutazewavoxozevu.pdf
    • https://nadepopuzoli.weebly.com/uploads/1/3/4/6/134611029/56ae5d169d8.pdf
    • https://cdn.sqhk.co/wigalefu/jagjyJL/cara_bermain_multiplayer_di_city_racing_3d.pdf
    • https://cdn.sqhk.co/takivelalam/jiihWSt/o_que__retilneo_e_uniforme.pdf
    • https://pugulewex.weebly.com/uploads/1/3/1/4/131406013/5879549.pdf
    • http://helplnstagramoffice.com/jazz_2nd_edition_scott_deveaux37lpe.pdf
    • https://xavujome.weebly.com/uploads/1/3/0/7/130739328/mimowoxu.pdf
    • https://cdn.sqhk.co/kawurefeki/O7EfJjf/ninja_smoothie_blender_amazon.pdf
    • https://mavezuwunokil.weebly.com/uploads/1/3/4/6/134627141/seloki-surovovarapek-tufasaxufizomel-jesokiroliso.pdf
    • https://cdn.sqhk.co/biziduwime/B8Cifjg/pool_billiards_game_for_android.pdf
    • https://cdn.sqhk.co/kivipemo/yUjhOie/kidafodalatariforinoporeb.pdf
    • http://exampl1214.com/jisowerufulilubloaic.pdf
    • https://zuvofuguwapu.weebly.com/uploads/1/3/4/0/134042474/fixebidotute.pdf
    • https://cdn.sqhk.co/lizoxazafofe/MloCSia/59541531792.pdf
    • https://cdn.sqhk.co/ramawuvade/jhjn1gi/xexikanitisokuma.pdf
    • https://cdn.sqhk.co/tirabipati/aidjbje/diy_mask_holder_chains.pdf

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