Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3eddf73ca470b16…

MALICIOUS

PDF

85.8 KB Created: 2021-09-12 13:30:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 590821c4c533b28612b9b8fc0f24db20 SHA-1: ae95af0baa59f16b6da9980d2038ae894115b7d3 SHA-256: d3eddf73ca470b1695a963c767dd7ba3beada4c2458517140ec2eb270330c94c
146 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

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.
  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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://archism.ru/uplcv?utm_term=how+can+i+get+android+11 PDF link annotation
    • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16130b27c1f2c1---tadiredoxutixa.pdfIn PDF document text
    • http://nhatrangpalace.vn/app/webroot/upload/files/6223797665.pdfIn PDF document text
    • https://opsclown.it/ckfinder/userfiles/files/tuririwotegunijuzuf.pdfIn PDF document text
    • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16137d7ee33c04---64703933697.pdfIn PDF document text
    • http://jeyadhurgatemple.com/userfiles/file/98846019092.pdfIn PDF document text
    • http://belloverde.net/emailer/file/vumof.pdfIn PDF document text
    • http://phdpecs.hu/userfiles/files/wixubuzumeluzapesix.pdfIn PDF document text
    • http://nkmate.com/FileData/ckfinder/files/20210901_97C264244E4FFBFE.pdfIn PDF document text
    • http://esistore.be/userfiles/file/vikenozunovozazokotibeluz.pdfIn PDF document text
    • http://synfarm.com/upload/files/11128035471.pdfIn PDF document text
    • http://chayka-svg.ru/files/27290910856.pdfIn PDF document text
    • http://astprom.ru/sites/default/files/file/61603105632.pdfIn PDF document text
    • http://tecresconsolidamentorestauro.it/fck_data/file/busizatijetijek.pdfIn PDF document text
    • https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/tuvesoluzozagexifumirem.pdfIn PDF document text
    • http://www.electricman.in/demo/frontend/web/uploads/files/72486146363.pdfIn PDF document text
    • https://conexkarvan.com/cache/fck_files/file/jogexiramujedabelelu.pdfIn PDF document text
    • https://securitydm.net/slicice/file/79027424347.pdfIn PDF document text
    • https://mannerfeltdesignteam.se/ckfinder/userfiles/files/29054713541.pdfIn PDF document text
    • http://trumoi-khutrung.com/upload/files/65287947460.pdfIn PDF document text
    • http://urgentcarepb.net/userfiles/file/1683462010.pdfIn PDF document text
    • https://commonlawhouse.in/userfiles/file/48019032731.pdfIn PDF document text
    • https://darshanam.com/ckfinder/userfiles/files/xodak.pdfIn PDF document text
    • https://korvioinfotech.com/ckfinder/userfiles/files/jovobukavoxememetaseraka.pdfIn PDF document text
    • http://perevodvnegiloifond.ru/pict/file/66583012848.pdfIn PDF document text
    • http://cerrutistudio.eu/userfiles/files/24402130970.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_off0000ece9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECE9 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off000104fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x104FB 17296 bytes
SHA-256: df8ca3554e34f3b0be7c82288a059a2f3540ceb1e5e69030bf838bbcc6a5db49
font_02_sfnt_off000131a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x131A3 10460 bytes
SHA-256: 69492c3149afc64984e48b657b5e95f916b77d7b27d979cbf9f3aa85012dae10

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