Malicious PDF — malware analysis report

Static analysis result for SHA-256 0116ac7e3f59c229…

MALICIOUS

PDF

90.3 KB Created: 2021-09-10 00:25:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-28
MD5: 7f9347316e35695e970fa89ef538d6ea SHA-1: 44bc2aa5757e7ac993422966d379ae0e71c8f2ea SHA-256: 0116ac7e3f59c22921469b59b018f37c9dc709ca7d669b22c9364322305ae71c
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9937

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
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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 http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161341982c0013---1762956694.pdf In PDF document text
    • http://selmanoglusigorta.com/userfiles/file/xedivumasogujugizile.pdfIn PDF document text
    • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/988a88677ce28d6e1c8307260ffa4480/79641001199.pdfIn PDF document text
    • http://rialta.ie/userfiles/files/refofisorexomufikivebe.pdfIn PDF document text
    • http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/wezuwat.pdfIn PDF document text
    • https://mcdelandes.ca/uploads/file/bemamuvibufepekudovod.pdfIn PDF document text
    • http://ylplj.com/ckfinder/userfiles/files/fedosapaji.pdfIn PDF document text
    • http://wx-test.com/upload/ckimg/files/202109050248405967.pdfIn PDF document text
    • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/41d18afcd355035559767ef0a966501d/51926888056.pdfIn PDF document text
    • http://auburn-companies.com/userfiles/files/kimebuwunopozox.pdfIn PDF document text
    • http://galenbio.com/images/upload/file/vodelofupubu.pdfIn PDF document text
    • http://goldcoil.com/uploadfiles/files/10177343243.pdfIn PDF document text
    • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16130f73cde48c---mevebosexexasaw.pdfIn PDF document text
    • http://fuyu.010bi.com/ckfinder/userfiles/files/tadelemubabawufizarinir.pdfIn PDF document text
    • https://nikosdimos.gr/userfiles/file/venonevebijepebukufukiwip.pdfIn PDF document text
    • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/5in3eh9kd9llasckmhqg3i6jks/91117687033.pdfIn PDF document text
    • http://paramountswimwear.com/userfiles/files/zobojilewerexapekulu.pdfIn PDF document text
    • http://www.physedu.in/newsite/userfiles/files/setoliwe.pdfIn PDF document text
    • http://urparitet.ru/admin/ckfinder/userfiles/files/3304381850.pdfIn PDF document text
    • http://chemtron-vostok.ru/media/file/30036446331.pdfIn PDF document text
    • http://cnokorea.com/userfiles/file/66976670777.pdfIn PDF document text
    • http://plise.org/userfiles/file/71917575140.pdfIn PDF document text
    • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/0nbuppteoas5947m9gp9n86op0/38465587113.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=killer+instinct+arcade+apkPDF link annotation
    • 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 extracted file (font_00_sfnt_off0000e10f.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000e10f.bin)

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e10f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE10F 18704 bytes
SHA-256: ed8ff43132d82b43acc8f14fcd7f45a86a4d9d61cae8de5a6d915ca249d260e4
font_01_sfnt_off000111d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x111D6 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000129e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x129E7 17208 bytes
SHA-256: c9231fd60681a554f7d70ef88a68ceddd3e033ff18e7f79ee165524a2267aa87
font_03_sfnt_off0001433a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1433A 10468 bytes
SHA-256: ac93c82971cef5466e8057adb91a79935f144c0e9c8c9a1ac289856847e48ecd