Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd73a96718c69732…

MALICIOUS

PDF

85.4 KB Created: 2022-04-24 18:41:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: 3dc4751cb1ec87dc37e52dad5c7a221e SHA-1: 35f918ae69ee686c2490d83037009a053887df45 SHA-256: cd73a96718c697320da46b7f1f2fe108568a805c0f63360285fab8b8e0298157
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://lovig.co.za/YmrXLWy8?keyword=qu%C3%A9%20significa%20medos%20seg%C3%BAn%20la%20biblia PDF link annotation
    • http://adaptiv-rb.ru/uploads/files/tuxuduzafolu.pdfIn PDF document text
    • http://xn--b1adbbbaeqjtsflbfms0e.xn--p1ai/pict/file/laxasixoxunisabazowig.pdfIn PDF document text
    • http://www.jindatunnel.com/up_files/file/dazuzemevexokebogomijif.pdfIn PDF document text
    • https://fsreloading.com/userfiles/files/3283344449.pdfIn PDF document text
    • http://ikmblansko.cz/files/upload/files/nuduwigitofakotamumego.pdfIn PDF document text
    • https://norservis.cz/files/files/80772390325.pdfIn PDF document text
    • http://daivupaint.com/img-chamthi/files/debonewolomuxinevo.pdfIn PDF document text
    • http://hysansam.com/fckeditor/userfiles/image/lovotolowidiweru.pdfIn PDF document text
    • http://contua.org/userfiles/file/toravofoxuxu.pdfIn PDF document text
    • https://kidisizim.weebly.com/uploads/1/3/4/8/134899836/lofaxinagixokasar.pdfIn PDF document text
    • http://186086.com/upload/files/87903729603.pdfIn PDF document text
    • https://ronalowo.weebly.com/uploads/1/3/4/8/134872729/3874970.pdfIn PDF document text
    • https://kenkochaya.com/user_data/ckfinder/files/58353313997.pdfIn PDF document text
    • https://lizotolagodega.weebly.com/uploads/1/3/4/4/134495854/daxepewegiba.pdfIn PDF document text
    • http://arcstema.com/userfiles/files/guxolinibawom.pdfIn PDF document text
    • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/16241b50dcd1a6---67345645945.pdfIn PDF document text
    • https://pikimekexer.weebly.com/uploads/1/3/4/5/134587048/jexiranoj-pupobuxabixerad-fesusefolosifig-wozet.pdfIn PDF document text
    • https://wisufomerimugil.weebly.com/uploads/1/3/4/0/134016782/d52d18b27e7ca9.pdfIn PDF document text
    • https://kpk.1c.ru/admin/rc/ckeditor/kcfinder/upload/files/wivojeva.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c91c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC91C 16868 bytes
SHA-256: 2907f1026d55e8ef7d35bc878552341e9899e931b5843937128629398e5f6cd6
font_01_sfnt_off0000e151.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE151 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000f963.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF963 19800 bytes
SHA-256: df544308019a851d047711b3e8e891994c5e33d60fed8c0b6bdcec035f19f050
font_03_sfnt_off00012b8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12B8B 11188 bytes
SHA-256: 2afbf63cbff1489c68ad015dba77d1128a79402b2f6e6ab1c2ae3204d361bff9

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