Malicious PDF — malware analysis report

Static analysis result for SHA-256 1dc12468204fc02b…

MALICIOUS

PDF

369.1 KB Created: 2022-03-26 03:26:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-30
MD5: 57242ec15fe1d48caf1c1125bbf1c56e SHA-1: 59794e5f2f30d9b2eb4c5d407f072239dc8e235e SHA-256: 1dc12468204fc02bb93ecbf4bd34aaade37bd305acf3a885eb36e4d0e5df00a3
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9021

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://colod.co.za/XSRYdR1H?utm_term=murray+bacteriologia+pdf PDF link annotation
    • https://www.anep.it/ckeditor/kcfinder/upload/files/jifeb.pdfIn PDF document text
    • http://optikalekar.ru/image/files/20092406469.pdfIn PDF document text
    • https://dharmagold.in/kcfinder/upload/files/36899646926.pdfIn PDF document text
    • https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/4136900280.pdfIn PDF document text
    • http://www.halabicaguitars.com/gfx/administration/js/ckeditor/kcfinder/upload/files/ligudadamuk.pdfIn PDF document text
    • http://one9five.com/userfiles/files/35315216956.pdfIn PDF document text
    • http://www.tiendadelbordado.com/ckfinder/userfiles/files/bibozamumafepirareg.pdfIn PDF document text
    • http://branonperformance.com/ckfinder/userfiles/files/riwokalonusizodujejunav.pdfIn PDF document text
    • https://silverstonedevelopments.com/ckfinder/userfiles/files/51324143441.pdfIn PDF document text
    • http://novafish.it/userfiles/files/83514439162.pdfIn PDF document text
    • http://lpxs168.com/filespath/files/20220306050043.pdfIn PDF document text
    • http://sieuthihatgiong.vn/webroot/img/files/diladelo.pdfIn PDF document text
    • http://weifong.tw/fckimages/file/75922359664.pdfIn PDF document text
    • http://tochalco.com/uploads/files/41189857441.pdfIn PDF document text
    • https://beldapin.com/calisma2/files/uploads/wosapubiv.pdfIn PDF document text
    • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/92ba4d8c1f09f7e6af6c0aee70858997/baponipud.pdfIn PDF document text
    • http://jncs.kr/page_data/file/20220209164605.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_off000555c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x555C0 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off00056ce0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56CE0 10872 bytes
SHA-256: bc79560423e8590139fdc130b374a91928d685a131bb106db9fbad01af42bf06
font_02_sfnt_off000585bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x585BB 18488 bytes
SHA-256: d005006ce8be83f301bbf5148b54622e4505928fb8dc2fe8667c49f76a336342