Malicious PDF — malware analysis report

Static analysis result for SHA-256 4bd9a2e5d868da7a…

MALICIOUS

PDF

71.6 KB Created: 2021-03-10 05:50:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: 693d8ce49648b348aa546f0862463a67 SHA-1: a0c0f0d045fa218444097e4616495a1ebf8f3eb9 SHA-256: 4bd9a2e5d868da7a55b158342d2b23dd62e9f8e849cf64e81645f1e8a088c052
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 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.
  • 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://mezovuduw.ru/wix?keyword=runkles+york+pa PDF link annotation
    • https://jobadenel.weebly.com/uploads/1/3/1/1/131164033/8762365.pdfIn PDF document text
    • https://cdn.sqhk.co/pujalabasi/hyge5PC/idle_planet_destroyer_galaxy_space_shooter.pdfIn PDF document text
    • https://peturenu.weebly.com/uploads/1/3/4/4/134401199/fenetegodoxa_jinolozo_mujuzenudapav_xiwonor.pdfIn PDF document text
    • https://cdn.sqhk.co/jarixizotib/fogijgg/65554960544.pdfIn PDF document text
    • https://cdn.sqhk.co/bigulikexupa/OmROjiY/wofufejekimobogatuti.pdfIn PDF document text
    • https://cdn.sqhk.co/pufuxogife/chajbie/60498912117.pdfIn PDF document text
    • http://mon-compte-cmb.best/how_to_log_out_of_netflix_on_sky_q_box8oftl.pdfIn PDF document text
    • http://saleproducts.pro/go_math_answer_key_grade_7qtext.pdfIn PDF document text
    • http://merishwheelrecords.com/equalizer_2016_cast616xi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://e8ceee85-86bf-4804-80ab-d7a1511cbcf5.filesusr.com/ugd/38650a_5b3fe737ffbc4d6cbd443609b78f5257.pdf?index=trueIn PDF document text
    • https://4121a797-204a-431c-92a8-8e24072fb342.filesusr.com/ugd/b972d5_f77af78cf7184141a0aaea2bd0070375.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/1d8f7932-5f61-4557-a3d5-c13bdab6c860/mesezavupoxirota.pdfIn PDF document text
    • https://569961a5-e6b5-462d-8b38-7193d5e7b20b.filesusr.com/ugd/a37a2e_c6e6829ccc74489590f755aec9a796be.pdf?index=trueIn PDF document text
    • https://d670dda7-df53-4ef1-8eda-d3256df28744.filesusr.com/ugd/dbbbec_7c86b8a6d675401fbc00363e3a74e74e.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/2cd7d111-ec7b-482e-aa2e-c895204f377e/honda_xr2600_pressure_washer_parts_diagram.pdfIn PDF document text
    • https://01d7ec8a-e38e-4e33-8c76-1be31754498b.filesusr.com/ugd/24d943_c9b2d210174a4795ae088e83dc3c8caa.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/ba00095c-00f0-4db9-a649-23cd551376e4/11060140780.pdfIn PDF document text
    • https://76c9fb28-c10e-4950-85be-37de24a2ede8.filesusr.com/ugd/fa32a6_4bfe1ec01442407e99a92e391b171f56.pdf?index=trueIn PDF document text
    • https://e1cf253b-b3af-4135-a675-1c3c021177f9.filesusr.com/ugd/111c46_39ccc193309542f793c2fa1fb684ae28.pdf?index=trueIn 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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dddb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDDB 4984 bytes
SHA-256: e4e3942f63c9999573f3a5473e585980131227044b27f2c58a97817720496811
font_01_sfnt_off0000eee9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEE9 10212 bytes
SHA-256: b06cde4084f5484e72252f4b33b20425f1a899495aec253831e629087f242964

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