Malicious PDF — malware analysis report

Static analysis result for SHA-256 793fc0401fd05974…

MALICIOUS

PDF

70.6 KB Created: 2021-10-08 23:03:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 811392a3a3f96265ed7128e1bcee7618 SHA-1: 888fd55adff4b6111b2ced094fa56d83494c035e SHA-256: 793fc0401fd05974a88d30bd2b430141620bfb20e454cb65914ff06739bcb5e2
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9975

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://jullien38.com/ressource/site-image/files/84511932666.pdf In PDF document text
    • https://www.tahitotfalu.hu/ckfinder/userfiles/files/43597686803.pdfIn PDF document text
    • https://pasationtravellers.com/root/FCKeditor/file/39916140315.pdfIn PDF document text
    • http://misosmile.com/upload/editor/files/viluzepibusasajopad.pdfIn PDF document text
    • http://kmconlinecme.com/userfiles/file/jezejizoxemosomavaba.pdfIn PDF document text
    • https://groupunsur3.com/contents/files/xuvojapofufifatuxevasa.pdfIn PDF document text
    • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615b689747a90---90555415849.pdfIn PDF document text
    • https://terlickodds.cz/www/www/fckphotos/file/47024899811.pdfIn PDF document text
    • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/0dd1dde4562c5d5bbd8c4dcb6781646f/vususulepojo.pdfIn PDF document text
    • https://uleshuzatabc.hu/files/file/podibewojovigutiza.pdfIn PDF document text
    • http://aydinservis.com/ckfinder/userfiles/files/12666980317.pdfIn PDF document text
    • http://prtourusa.com/FileData/ckfinder/files/20211005_5AE1AA915C0AAD6E.pdfIn PDF document text
    • https://gionggiacam.gagiongvitgiong.com/ckfinder/userfiles/files/45758542490.pdfIn PDF document text
    • https://clubselect.ro/ckfinder/userfiles/files/kirokokaligikivuputerumuf.pdfIn PDF document text
    • http://panel2conso.com/userfiles/file/28089884737.pdfIn PDF document text
    • https://hoya.hr/UserFiles/file/94263252044.pdfIn PDF document text
    • http://naosgym.com/userfiles/files/38108713134.pdfIn PDF document text
    • http://ackerviewguesthouse.com/userfiles/file/kalepowipuz.pdfIn PDF document text
    • https://pasationtravellers.com/root/FCKeditor/file/16866037083.pdfIn PDF document text
    • http://studiomontironi.eu/userfiles/files/ronavifoforole.pdfIn PDF document text
    • http://spzpoz-zdunskawola.pl/upload/file/rusikapojepolob.pdfIn PDF document text
    • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/bc38ea742a96475f9e992e40b89641c9/69447456716.pdfIn PDF document text
    • http://boek.se/bilder_umeny/File/55280411968.pdfIn PDF document text
    • http://akvatoria.by/UserFiles/files/17956843171.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=evaluating+expressions+worksheet+5th+gradePDF 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 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_off0000b3bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB3BF 11236 bytes
SHA-256: d479a204f1a6b33d8b39ffbece1a6d939662e12d6ce4cf4a8396f31a4d9f2d1c
font_01_sfnt_off0000cde3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDE3 15152 bytes
SHA-256: 1c12b8aff3f63e5c92aab04a11aff991f26b292c34fb7820ae066aaf108ef914
font_02_sfnt_off0000f486.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF486 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1