Malicious PDF — malware analysis report

Static analysis result for SHA-256 4afaaa48c9bd1def…

MALICIOUS

PDF

89.4 KB Created: 2022-04-03 03:33:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 8d4cfe2638c45df130975d9cce362082 SHA-1: e2e19e310fd318c3aaaef78f66bd5833a06a4de1 SHA-256: 4afaaa48c9bd1defd3b284518b7cc24d4d76ad57e605def92b555d8ad5167726
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://mifuj.co.za/YmrXLWy8?keyword=learn%20sanskrit%20through%20telugu%20book PDF link annotation
    • https://eurodens.pl/files/editor/files/45195380323.pdfIn PDF document text
    • https://manhremhoangvan.com/wp-content/uploads/files/kenupite.pdfIn PDF document text
    • http://fine-trading-knotwork.de/uploads/media/55050413134.pdfIn PDF document text
    • https://xudomulur.weebly.com/uploads/1/3/4/0/134040538/7824911.pdfIn PDF document text
    • https://senemoribut.weebly.com/uploads/1/3/4/7/134703027/a8586.pdfIn PDF document text
    • https://genolawibiwiz.weebly.com/uploads/1/3/4/3/134316454/8373853.pdfIn PDF document text
    • http://trunghungplastic.com/luutru/files/98356074152.pdfIn PDF document text
    • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/31296479592056999aeec285de040b02/kateridizurem.pdfIn PDF document text
    • https://dabikosetizoje.weebly.com/uploads/1/3/4/2/134234987/696215.pdfIn PDF document text
    • https://wisapapeb.weebly.com/uploads/1/3/4/5/134594170/2014630.pdfIn PDF document text
    • https://nunokewapi.weebly.com/uploads/1/3/5/9/135961733/4373336.pdfIn PDF document text
    • http://healingtown.org/userData/board/file/15805347562.pdfIn PDF document text
    • https://juwomazitebuden.weebly.com/uploads/1/3/1/4/131414743/1944211.pdfIn PDF document text
    • http://perksys.com/userfiles/file/86197630005.pdfIn PDF document text
    • https://zaluvunikuf.weebly.com/uploads/1/3/1/0/131070459/2668311.pdfIn PDF document text
    • https://sasalidayanisma.org/uploads/file/61079399830.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_off0000fa68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA68 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0001127f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1127F 10676 bytes
SHA-256: e6a7f66b9e99b7c5460d041bccdbbaf728208eed9bac3e313c0b76f850d88b24
font_02_sfnt_off00012ae1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12AE1 17092 bytes
SHA-256: 49babaf343c39249b4bd313f211e717e3cea0b898d6567250fe8a51cf1b6bcf5

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