Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0d0732cf941edb1…

MALICIOUS

PDF

81.1 KB Created: 2021-03-28 01:44:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6da57bd29065b62efa74b1fdd75046e9 SHA-1: 9212bd8230e0f625a7579bf35c4d8074a43a5ba6 SHA-256: e0d0732cf941edb17b428a2a47e0af9bfbe916ba00f9b96e0bc37adf6c1b6f82
96 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The embedded URL points to a suspicious domain, likely serving as a lure for users interested in technical topics. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious content, potentially for phishing or malware delivery.

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://vilenefex.ru/strik?utm_term=how+to+change+dyson+v6+absolute+battery
    • https://cdn.sqhk.co/fexilejedit/XXgc8jj/cakephp_form_select_default_value.pdf
    • https://cdn-cms.f-static.net/uploads/4421471/normal_5fd619d385171.pdf
    • http://greenbike.shop/rockauto_phone_number_near_meona0n.pdf
    • https://nufapapezo.weebly.com/uploads/1/3/0/9/130969462/6896212.pdf
    • https://cdn-cms.f-static.net/uploads/4463533/normal_5fd892dff41ec.pdf
    • http://garant-ritual.online/kenatofanitagiyxm8i.pdf
    • https://static.s123-cdn-static.com/uploads/4408711/normal_6009a14b03c11.pdf
    • https://cdn-cms.f-static.net/uploads/4386334/normal_6048dfb313a17.pdf
    • https://cdn.sqhk.co/letarezetap/Cm9jfWu/13324013923.pdf
    • https://cdn.sqhk.co/vewukiziwemi/ieR9QFC/47337727129.pdf
    • https://kebokezuzak.weebly.com/uploads/1/3/5/3/135318209/d5de49492cc6.pdf
    • https://static.s123-cdn-static.com/uploads/4471959/normal_5ffbc8587ce54.pdf
    • http://lnstagramverifycentre.com/hyundai_santa_fe_factory_service_man2pxlg.pdf
    • https://bobiguwifuza.weebly.com/uploads/1/3/5/9/135966914/zatedob-pejofin-melomo-zemovowaxogej.pdf
    • https://lepatoketi.weebly.com/uploads/1/3/4/7/134732542/01260e9e8.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/0ac3afb1-fa58-4453-8183-b42007f3888d/how_to_get_hp_deskjet_2540_wifi_password.pdf
    • https://s3.amazonaws.com/mejawiwomak/petaweb.pdf
    • https://s3.amazonaws.com/jevelel/52929625155.pdf
    • https://s3.amazonaws.com/wulotugadag/alibaba_app_for_windows.pdf
    • https://uploads.strikinglycdn.com/files/267be289-b727-4524-b908-21b4a55ba28d/vegiwufizuje.pdf
    • https://uploads.strikinglycdn.com/files/e065a7e7-6c88-42f2-974e-642424d7b418/lista_de_verbos_mas_usados_en_ingles_con_su_pronunciacion.pdf
    • https://uploads.strikinglycdn.com/files/b022841c-eaf1-43b6-8c2c-e81e7a6bb3a8/what_are_some_similes_in_sinners_in_the_hands_of_an_angry_god.pdf
    • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fe84.bin
a5d5131bfbfeb1aed08292be6cafa08dadb45c383f92464f0944dfa3841b54e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFE84 5708 bytes
font_01_sfnt_off00011206.bin
09aeca87737c92abd2425ee50014fb2d1eaaf32f47fca48c17fb80aece2d9c85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11206 10756 bytes

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