Malicious PDF — malware analysis report

Static analysis result for SHA-256 550ae275f71a4b27…

MALICIOUS

PDF

79.2 KB Created: 2022-04-12 16:38:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-04
MD5: 116013d75bf186a1a2b28b5207f52f5d SHA-1: 3c1c6623e711c03b3ae974238af5ea06715ae581 SHA-256: 550ae275f71a4b27cc77264aa124ebb40a1dbe2754508ef5f8a264c296b082c7
151 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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 advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
    PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
  • 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://studiomarcheluzzo.it/userfiles/files/vilowadexevotopopitogex.pdf In PDF document text
    • http://cttinteriery.cz/files/upload/files/mimeti.pdfIn PDF document text
    • https://infiniteprospects.com/FCKeditor/file/doxilodi.pdfIn PDF document text
    • https://gptracker.interverse.biz/userfiles/file/zeverejalidixomivedot.pdfIn PDF document text
    • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16243f05848c2c---32082833095.pdfIn PDF document text
    • https://ph789.com/pinhsuan/files/file/lupegawadigogum.pdfIn PDF document text
    • http://pestaurace.sk/upload/files/zoxokebodus.pdfIn PDF document text
    • http://jodhpurheritagewalk.com/images/file/96619823665.pdfIn PDF document text
    • http://www.historialmarista.org/js/kcfinder/upload/files/fovaketupenogiwefem.pdfIn PDF document text
    • https://pesawesezopi.weebly.com/uploads/1/3/4/3/134327800/5952968.pdfIn PDF document text
    • http://vibingvibes.com/userfiles/files/pogurusifufamepopifanoxo.pdfIn PDF document text
    • http://saint-party.com/media/file/tawejeluzinawudejiziwusix.pdfIn PDF document text
    • http://hkalc.com/userfiles/xotagot.pdfIn PDF document text
    • https://fsbulletsandbrass.com/userfiles/files/60932333338.pdfIn PDF document text
    • https://bufogepuvuzi.weebly.com/uploads/1/3/1/3/131381066/6b90b.pdfIn PDF document text
    • http://studiogalata.it/userfiles/files/jevajumagetunuvapuwax.pdfIn PDF document text
    • http://catmo.fr/kcfinder/upload/files/bizakepunabixuzirabevejib.pdfIn PDF document text
    • https://wirut.co.za/YmrXLWy8?keyword=burger%20king%20breakfast%20time%20saturdayPDF 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 extracted file (font_00_sfnt_off0000ce1f.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000ce1f.bin)

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_off0000ce1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE1F 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000e636.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE636 11032 bytes
SHA-256: ab132f1a2e66bd8e8e82c29a46c2e2838136cbe006604f36cde07d5fed7365d2
font_02_sfnt_off0000ffb9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFB9 17804 bytes
SHA-256: bd5b0d22dea73a8cdc551859752a5313f9ea763f924f1ac3c1ec82e90143bba7

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