Malicious PDF — malware analysis report

Static analysis result for SHA-256 d64fee36d1a42465…

MALICIOUS

PDF

70.0 KB Created: 2021-03-04 16:47:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 2cd5aa2eec0ac4d26dbbe86ffa93ccd3 SHA-1: ca92a5e8fdc5105bcef42b4b19cea431e20ca451 SHA-256: d64fee36d1a42465affc54d1ed7158c0048bab3ba6b5f46e2bae6a7d0f187b84
126 Risk Score

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://dugedepap.ru/wix?keyword=atp%252Fadp+cycle+worksheet+answer+key PDF link annotation
    • http://wide-take.top/jaxepidijiwisefirixoruwuvpa.pdfIn PDF document text
    • http://trysoda.pro/best_nicholas_sparks_booksettxa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446490/normal_5fe17999d1e23.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4388421/normal_5fe50d1d7a3e2.pdfIn PDF document text
    • http://fasadi.site/volewikulekasakifevejl7q4g.pdfIn PDF document text
    • https://firizuvamo.weebly.com/uploads/1/3/4/6/134618899/9766869.pdfIn PDF document text
    • https://xamodeximafu.weebly.com/uploads/1/3/2/6/132681508/8749976.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4460946/normal_60072048aad3d.pdfIn PDF document text
    • https://redobalopubijav.weebly.com/uploads/1/3/1/3/131380120/mulojutumudukem_lipezavisu_majazituxunitip_vopizivadi.pdfIn PDF document text
    • https://gopaxeseje.weebly.com/uploads/1/3/6/0/136082610/7196e6c2968b.pdfIn PDF document text
    • https://dudisavaw.weebly.com/uploads/1/3/1/3/131380109/mujokadoki.pdfIn PDF document text
    • http://securespot.ru/how_to_workout_at_the_gym_for_beginnersx9olg.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/nefomojuwet/bakotowimiz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/43718fe5-a50e-45cd-9fe6-80cf0c1f4f2f/how_do_i_identify_a_ford_automatic_transmission.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a9cdf581-5132-4e70-8aec-c22d177a75a2/tivigo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fb9cd5b1-1948-4532-a504-e7e3eb9d1d11/fatugukipogomadufovakaxe.pdfIn PDF document text
    • https://s3.amazonaws.com/nosepevozux/86812750075.pdfIn PDF document text
    • https://01d7ec8a-e38e-4e33-8c76-1be31754498b.filesusr.com/ugd/24d943_9715ea8ebc2f4a24b87f30690ec6b87d.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/nilititonawafim/element_of_art_space_worksheet.pdfIn PDF document text
    • https://459ec6dd-5b69-4322-a182-74abbfaa0e48.filesusr.com/ugd/221eaa_8d05ef554f6f4037aba6b173b417fe90.pdf?index=trueIn PDF document text
    • https://3682d434-6e27-4ac8-9ac2-d3ec24fa429c.filesusr.com/ugd/9b5f63_ec72839bb77444cabd4b3e5b40ce1e8b.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/kefodek/kuzuvidovazaloveganawunek.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_off0000d660.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD660 5444 bytes
SHA-256: bc9e9049f2bf99a1037c2064812e0fdf1204e159532c50e258afa390dbc9af66
font_01_sfnt_off0000e8ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8FF 9680 bytes
SHA-256: 3757a1163c38983ce024b7c007edd11aaed774feff54d55042919b203ec0b737

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