Malicious PDF — malware analysis report

Static analysis result for SHA-256 79357685c8067986…

MALICIOUS

PDF

71.4 KB Created: 2021-09-28 02:01:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 3be0abd10027f7ea837dcd45ce426cd6 SHA-1: 11095d413e87aae034b96455ff98229f422637d2 SHA-256: 79357685c806798651d090fac918e9b99fcd895a3bac7ae0146473baebb9fc2d
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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
  • LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
    Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
  • 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://drafthe.ru/uplcv?utm_term=super+bunny+game+online PDF link annotation
    • https://lnpro.in/ckfinder/userfiles/files/nubaloruzenoxik.pdfIn PDF document text
    • http://charmingcurls.se/upload/file/tasoketiv.pdfIn PDF document text
    • http://feminella.ro/upload/fck/93819198891.pdfIn PDF document text
    • http://stoewebdesign.no/userfiles/file/lixiwidimuro.pdfIn macro / runtime command snippet
    • http://studiotravenzolo.it/userfiles/files/63954710758.pdfIn macro / runtime command snippet
    • https://doxity.ro/ckfinder/userfiles/files/viledujirelufup.pdfIn PDF document text
    • https://powermailer.in/userfiles/file/wotujojesaledariru.pdfIn PDF document text
    • http://hankaebertova.cz/userfiles/file/sitarufizinekerori.pdfIn PDF document text
    • http://hoteldanang.com/uploads/images/files/zekujegegubewozotuve.pdfIn PDF document text
    • http://qapoll.com/2015/vat/upload/files/37881562864.pdfIn PDF document text
    • https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files/25565459294.pdfIn PDF document text
    • https://equimat-cheval.fr/file/61243100248.pdfIn PDF document text
    • http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/surimobegopuwida.pdfIn PDF document text
    • http://hoangduy.vn/vn/files/99679541600.pdfIn PDF document text
    • http://tataservice.it/userfiles/file/47377809199.pdfIn PDF document text
    • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161304169bbaf4---zefon.pdfIn PDF document text
    • https://ppuhperspektywa.pl/files/edytor/file/16860511332.pdfIn PDF document text
    • http://haki.tincorner.com/uploads/files/22273217118.pdfIn PDF document text
    • https://trompis-tondschungel.de/userfiles/file/49856732633.pdfIn PDF document text
    • https://bi-kiesabbau.de/cmsimple/images/file/vegiwagugumab.pdfIn PDF document text
    • http://technimexvn.com/images/ckeditor/files/39604023778.pdfIn PDF document text
    • https://mexico-airport-transfers.com/ckfinder/userfiles/files/kexikemotot.pdfIn PDF document text
    • http://feminella.ro/uploaIn macro / runtime command snippet
    • 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b185.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB185 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000c99c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC99C 10760 bytes
SHA-256: e9cd3a0b30175b0a3f1e64a9e4d76c7920cce04da835c1298f451a4ab296bc70
font_02_sfnt_off0000e219.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE219 17588 bytes
SHA-256: 086414b78dadfa5eb6fc5ad345e659657e6d025bd09a3747f18aff869b2578c6