Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d3083541d6cc91a…

MALICIOUS

PDF

80.5 KB Created: 2021-10-09 11:33:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: 4d271ab3f98ec8aace30cddef659d6d5 SHA-1: 38a2e6bd38389946956fbbe64f0e5093f3b25236 SHA-256: 0d3083541d6cc91ac6349bf0bec747af064237b7b0bcc1281c70adb69a97e6a2
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9977

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://marathonblainville.com/userfiles/files/kimaveb.pdf In PDF document text
    • http://aarogyamedico.com/userfiles/file/13617065643.pdfIn PDF document text
    • http://indagosrl.it/userfiles/files/23276890007.pdfIn PDF document text
    • http://litroshaber.net/resimler/files/tuvuj.pdfIn PDF document text
    • http://seattlebestteriyaki.com/uploads/files/gurenenevikijuporu.pdfIn PDF document text
    • http://tuzvedo.hu/elemek/file/jamoloxejewuwopafulolodid.pdfIn PDF document text
    • http://bouwbedrijfbouwheer.nl/userfiles/file/8956888363.pdfIn PDF document text
    • http://cannamelis.com/userfiles/file/tawagunaloluwefug.pdfIn PDF document text
    • https://gdaniec.com/upload/files/jofenonure.pdfIn PDF document text
    • http://22vek-omsk.ru/fck_editor_files/files/13986896308.pdfIn PDF document text
    • http://youandisagenix.com/ckfinder/userfiles/files/doxudexapexodu.pdfIn PDF document text
    • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/hi72laph3na3hrq5u7g4nmb4fh/32704735570.pdfIn PDF document text
    • http://skupka23.ru/upload/m/nazazewoz.pdfIn PDF document text
    • http://studiopol.it/userfiles/files/tagefowinigafo.pdfIn PDF document text
    • http://gcsiva.com/files/userfiles/file/36599420220.pdfIn PDF document text
    • https://strongpointmarketing.net/userfiles/file/pegibepigugivob.pdfIn PDF document text
    • http://zenpersonnel.com/UserFiles/file/vofaxanimozozuzal.pdfIn PDF document text
    • http://lse.hu/userfiles/file/5982517272.pdfIn PDF document text
    • http://dezis.ru/uploads/files/96760061120.pdfIn PDF document text
    • https://ourcampuswindow.com/ckfinder/userfiles/files/gejopuvuxosukizifimoxu.pdfIn PDF document text
    • http://execdentalclinic.com/uploads/ckfinder/userfiles/files/desugajafolawugifub.pdfIn PDF document text
    • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/d2b6643be2f082a266d72b1dd4cf423c/20351474906.pdfIn PDF document text
    • http://polipack.ru/content/file/8854044.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=parts+of+periodic+table+elementsPDF 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_off0000d256.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD256 19428 bytes
SHA-256: 0c68725a2b9e785ee27c5ab7338b1dff9aff7b7b70e3f43431766c56fc20da29
font_01_sfnt_off0001031b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1031B 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00011b32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11B32 10924 bytes
SHA-256: 52d9898bc092009923addef85dc9ca0587527c85e35c4ea43923199ae61c8998

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