Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a19f28382ee616d…

MALICIOUS

PDF

203.0 KB Created: 2022-01-12 19:47:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-31
MD5: 4b75a11ea2fb035444b773a059b48c90 SHA-1: d9cfad5a47c839a6851787dc0ecc436c7a88d7a7 SHA-256: 5a19f28382ee616dc6f97092088ef4652dc0b658ae774381090376c9a72a1c68
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7698

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://www.ssemusic.com/kcfinder/upload/files/pexopapolixomapawidal.pdf In PDF document text
    • http://szolnokepul.hu/userfiles/file/foraje.pdfIn PDF document text
    • https://jung.su/kcfinder/upload/files/judumuvusa.pdfIn PDF document text
    • http://nhadep30giay.com/uploads/image/files/2424604552.pdfIn PDF document text
    • http://www.keizerco.nl/userFiles/file/52207620981.pdfIn PDF document text
    • https://tkaniny-svitap.cz/kcfinder/upload/files/97147300003.pdfIn PDF document text
    • http://life-homeshop.com/asset/uploads/files/90729189919.pdfIn PDF document text
    • http://fine-trading-knotwork.com/uploads/media/40612002311.pdfIn PDF document text
    • http://ropesadventure.com/d/files/zilasinetaxapofatoveze.pdfIn PDF document text
    • https://www.saags.edu.bd/assets/ckeditor/kcfinder/upload/files/nikepikoka.pdfIn PDF document text
    • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/f1959aa643cbd0ae8da7a74bec3c7456/silosewekovuzi.pdfIn PDF document text
    • https://hk-delight.com/UploadFiles/file/22392979628.pdfIn PDF document text
    • http://lhwytsg.com/js/upload/28155923177.pdfIn PDF document text
    • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/be4bea44f80dccf435aa5a913d04edb6/21392357586.pdfIn PDF document text
    • http://atrsara.ir/resource/files/fuposokitodegapami.pdfIn PDF document text
    • http://lafenicealcamo.it/userfiles/files/zatepin.pdfIn PDF document text
    • http://szjwwj.com/userfiles/file///lixipijikigudukaseniwu.pdfIn PDF document text
    • http://chinasoftcore.com/userfiles/file///6778500372.pdfIn PDF document text
    • http://sabinelokhorst.com/media-upload/files/burazomimekazudamem.pdfIn PDF document text
    • http://filmovani.eu/img-content/files/39595172034.pdfIn PDF document text
    • http://chengzechem.com/upload/files/vejetusobivobetufobipix.pdfIn PDF document text
    • http://vssteel1999.com/ckeditor/userfiles/files/22840665008.pdfIn PDF document text
    • http://timandlor.com/userfiles/file/tunime.pdfIn PDF document text
    • http://alnoorcity.com/userfiles/file/15213239640.pdfIn PDF document text
    • http://www.tiande-global.com/ckfinder/userfiles/files/86090227483.pdfIn PDF document text
    • http://feedproxy.google.com/~r/MbOu/~3/vItLtdF7Pec/uplcv?utm_term=alarm+lock+dl3500+templatePDF 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

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_off0002bfb0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2BFB0 10812 bytes
SHA-256: 42e9d07f381ed15f47ec5ac5e69ba361d13ccabc8af02c4d89dd73ebca0f99fa
font_01_sfnt_off0002d8b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D8B6 17696 bytes
SHA-256: a73e2341714a9f64671b5eaa56ad84ad9c6d95ec0e3c032301c6b955ae6a711b
font_02_sfnt_off00030693.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30693 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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