Malicious PDF — malware analysis report

Static analysis result for SHA-256 78233a3d62ae87c2…

MALICIOUS

PDF

186.0 KB Created: 2022-04-08 19:39:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: 2603a406beb241a0ad2ab2b5677e0bb0 SHA-1: d7d0c5ef3fc634bb69b9634376f78fe88d8306f1 SHA-256: 78233a3d62ae87c210c8b7b13a8a9dd6345d8b6fabd5f3e4f7ac97206b5e1e25
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

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://fecuq.co.za/YmrXLWy8?keyword=primary%20spelling%20inventory%20words%20their%20way PDF link annotation
    • https://juleladenoduko.weebly.com/uploads/1/3/4/4/134478401/e0e3f42af.pdfIn PDF document text
    • http://dges.in/userfiles/file/16569800213.pdfIn PDF document text
    • https://mutewibute.weebly.com/uploads/1/4/1/3/141343317/tukuwi.pdfIn PDF document text
    • https://xavarujima.weebly.com/uploads/1/3/4/6/134612969/9157079.pdfIn PDF document text
    • https://bepikirutufuw.weebly.com/uploads/1/3/4/8/134866592/7113453.pdfIn PDF document text
    • https://tour-paris-guide.com/cite_imgs/file/wedakojosafotagevumejiro.pdfIn PDF document text
    • https://prokoncept.hu/admin/blogfck/image/file/pukewatipiw.pdfIn PDF document text
    • https://ralugegab.weebly.com/uploads/1/3/4/8/134888835/dolodidi.pdfIn PDF document text
    • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/acfce0a8cad778f688c0a9e994b90aed/bijokipapo.pdfIn PDF document text
    • https://tuvaruwa.weebly.com/uploads/1/3/4/7/134711775/d3bbeb.pdfIn PDF document text
    • https://asiarsolutions.com/userfiles/file/fivuwoguko.pdfIn PDF document text
    • https://mirepabokotixiz.weebly.com/uploads/1/3/2/7/132712407/7610d.pdfIn PDF document text
    • http://schody.leszczynskie.net/userfiles/file/21209458557.pdfIn PDF document text
    • https://fopizute.weebly.com/uploads/1/3/4/3/134315067/noraxolitakam-sexit-wapexagev-webexu.pdfIn PDF document text
    • https://frezcentrum.hu/kcfinder/upload/files/51713897740.pdfIn PDF document text
    • https://kugibiredatejag.weebly.com/uploads/1/3/4/3/134319346/metowawikevukem.pdfIn PDF document text
    • https://creativekids.abcedukacji.pl/web/uploads/files/85330539555.pdfIn PDF document text
    • https://sonikegusu.weebly.com/uploads/1/3/3/9/133997348/lajaxudunomal.pdfIn PDF document text
    • https://ngenadmin2.nextgenphotosolutions-beta.com/app/webroot/files/file/gabexorojaxagukisej.pdfIn PDF document text
    • https://nafogoke.weebly.com/uploads/1/3/4/7/134776139/a2c3b02d86f.pdfIn PDF document text
    • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16211ed1fb8d2d---57193608810.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00027c67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x27C67 11108 bytes
SHA-256: 5c376c3ee0f85e04a5682ac6f80b80acb1746fbb43031487af43809ec5be85fb
font_01_sfnt_off000295f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x295F5 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0002ae07.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2AE07 17052 bytes
SHA-256: dd56064e46c0f779be73cd8a5525f1374aa3d0a2060b839754cdae3ece79f6c8

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