Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b619e532a333182…

MALICIOUS

PDF

370.1 KB Created: 2022-02-07 19:45:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 957dece9f27fa99bfac44a621d994ce7 SHA-1: 3c6f8984aea4dd5cd73e8fc1ce7d66ef284a0158 SHA-256: 2b619e532a333182c505ecc322cc864ffd566c35e539437b664c0a9f8903e049
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9631

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.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. 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://norin.co.za/XSRYdR1H?utm_term=guide+post+hotel+function+room PDF link annotation
    • https://mtmhomeschool.com/mycms/uploadedimages/editorUploadedImages/file/nifoz.pdfIn PDF document text
    • https://ucknef-basket.fr/images/files/11574915610.pdfIn PDF document text
    • http://grandp.ru/userfiles/file/xabodogaxobokizexuzigo.pdfIn PDF document text
    • https://centrumschoolka.pl/photos/file/detekexegabopotajo.pdfIn PDF document text
    • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/161c802b38c81f---90779448530.pdfIn PDF document text
    • http://alfonsoguiggiarchitetto.it/userfiles/files/31025695209.pdfIn PDF document text
    • http://net-marketing.hu/images/files/47031324016.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616949acae266---17713568941.pdfIn PDF document text
    • http://terezmisszio.eu/files/file/wabusarokugoluge.pdfIn PDF document text
    • https://portoggitter.no/content/files/userfiles/file///fajodaxafudejomejob.pdfIn PDF document text
    • http://1carl.com/userfiles/file/69412255428.pdfIn PDF document text
    • http://gabident.pl/local/userfiles/file/tifag.pdfIn PDF document text
    • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614c29fb31862---tasalos.pdfIn PDF document text
    • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/1e2165060ebe1f822ccc94c7b016d399/bezaligafigewiz.pdfIn PDF document text
    • https://www.autocerny.sk/assets/admin/kcfinder/upload/files/gejemiligom.pdfIn PDF document text
    • http://centromp.it/userfiles/files/perosusad.pdfIn PDF document text
    • http://brickchamber.com/ckfinder/userfiles/files/85210196143.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_off00055d25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55D25 16784 bytes
SHA-256: e040e29ca9223e0c6e5b098431f72c2393e5187fb61459fb66d2160b3e6b877b
font_01_sfnt_off000588dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x588DD 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off00059ffd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59FFD 10864 bytes
SHA-256: af405a358080f0c86ba221ae48826e77a24d715badede677b687fccf04b8b3c9

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