Malicious PDF — malware analysis report

Static analysis result for SHA-256 574fed2717cf5fe5…

MALICIOUS

PDF

77.1 KB Created: 2021-05-28 14:46:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: c811685c8bf0dc5196b26a361e74693c SHA-1: 3ea7527bcfbee941e9405dd0433a88ca49cc726d SHA-256: 574fed2717cf5fe5174d27ca68304932cd26e5897dfd627d448a6d4614b3ae76
104 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file was detected as malicious by a ClamAV signature (Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) and an ML classifier. It contains an embedded URI pointing to 'https://bologen.ru/strik?utm_term=mardaani+full+movie+download+hdfriday', which is likely a phishing or malware distribution URL. The presence of a 'download button' heuristic further supports a lure-based attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://bologen.ru/strik?utm_term=mardaani+full+movie+download+hdfriday PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4454561/normal_5fd31e9e9c6e0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374177/normal_5ffdfb263b40b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4483604/normal_5fcbe41e43e05.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365546/normal_5fe9783dec1f7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471085/normal_603665bf8f535.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411701/normal_60694c414f8f0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403820/normal_5ff1203465925.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408479/normal_5ffb5a2ab1ce8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365563/normal_606e25d5871a1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4472793/normal_5fc9984120754.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4494433/normal_5fc73cd2c3d92.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4480399/normal_5ff208150ba77.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4370778/normal_6005636092631.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/e46909dc-49cb-4f0d-b6bf-35e145e53be7/how_to_make_labels_with_cricut_pens.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2a79117c-b65a-4894-88b8-39d0dd190612/35910852311.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/95e5f7f5-5bdb-42ae-820e-7d6054953d9d/bipek.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c99770a1-d548-49e6-866f-0cef228b6f74/51246966696.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/27fd35fd-2507-4849-b1a4-183cd2ae946b/can_i_use_act_prep_for_sat.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/033cf53d-a44b-436d-ac66-a9e6405d81a2/teorema_de_bayes_probabilidad_condicional.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3f3f0cd-9a06-42c2-b65d-0cc9666f5e56/pifemejimunomoti.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/367e010f-d776-484f-beb8-ad146df8abf4/temple_of_seitan_menu_prices.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f79156d6-1299-4c64-82c1-e278a56b7562/bebaside.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_off0000f138.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF138 5228 bytes
SHA-256: a3a17bb2c129e10872d6e2a7160d344b8e1e06896c1ac6b98fd01bbe7d54e082
font_01_sfnt_off000102fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102FB 10660 bytes
SHA-256: d7e6326cedd4f2e5b5a4a8b712611ebc76588579900e9236ef858df61b459710

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