Malicious PDF — malware analysis report

Static analysis result for SHA-256 624431bc64567fff…

MALICIOUS

PDF

90.0 KB Created: 2021-09-10 06:03:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-29
MD5: 6686d9c23cd48a1f6429af1117b797e3 SHA-1: a3f5880f3fc306299c69aee8b96caf668644374a SHA-256: 624431bc64567fff97fbcc4c7c5dbb0601fdf175f3796fe92a18184bc0eaed5c
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9935

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
  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://chcial.ru/uplcv?utm_term=123movies+the+fast+and+the+furious PDF link annotation
    • https://tekdalyapi.com/upload/ckfinder/files/kinejivuzewumo.pdfIn PDF document text
    • https://textosl.com/upload/editor/file/4642456792.pdfIn PDF document text
    • https://www.restaurant-latableedevercel.com/ckfinder/userfiles/files/66606429206.pdfIn PDF document text
    • https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/lobazulemafefapaju.pdfIn PDF document text
    • http://www.findvoters.com/userfiles/file/dazode.pdfIn PDF document text
    • https://doucetplasticsurgery.com/ckfinder/userfiles/files/28104066402.pdfIn PDF document text
    • https://marblobaths.ph/app/webroot/img/files/65845478990.pdfIn PDF document text
    • http://nktrading.qa/file/files/13082804723.pdfIn PDF document text
    • http://xn--hh0b97d8is16e.com/userData/board/file/18511098487.pdfIn PDF document text
    • http://jhdjt.com/images/upload/File/gofubelo.pdfIn PDF document text
    • http://cloverdiamond.com/file/pejik.pdfIn PDF document text
    • http://bjjiffy.com/upload/selepaludekivi.pdfIn PDF document text
    • https://mokhalasati.com/userfiles/files/xitapaze.pdfIn PDF document text
    • http://georgekoldun.com/var/upload/file/ziwamepel.pdfIn PDF document text
    • https://actionsporting.com/userfiles/files/givadun.pdfIn PDF document text
    • http://onroerendgoedindex.nl/images/uploads/fubezosevi.pdfIn PDF document text
    • http://phutungotodungha.com/img/files/46253800686.pdfIn PDF document text
    • http://ghinelliarchitettura.it/userfiles/files/12849201528.pdfIn PDF document text
    • http://sosnovgeo.ru/userfiles/file/kavepe.pdfIn PDF document text
    • http://ilkjv.com/Images/Media/files/80323026685.pdfIn PDF document text
    • http://ukwoodrecycling.com/userfiles/files/74460378880.pdfIn PDF document text
    • http://damosushipleasanthill.com/uploads/files/wabomudukap.pdfIn PDF document text
    • https://aglogistics-bo.net/userfiles/file/76669685240.pdfIn PDF document text
    • https://dptech.vn/uploads/files/84144679131.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f619.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF619 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00010e30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E30 10984 bytes
SHA-256: b6b033160da3bd391f27ade50ed4f08427b8a5525ab1c57109721fafbd27c28b
font_02_sfnt_off0001279b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1279B 19380 bytes
SHA-256: 367dd4bb8c59766bd80e06fd13e9058449f33f2dc8710031975136c80c477806

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