Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3ec6f804c453e7c…

MALICIOUS

PDF

247.0 KB Created: 2022-02-07 08:04:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 11a1737eb5677489866f5335416ba98e SHA-1: ecabc38ae83ebf10d73196cf52b801861d017afa SHA-256: d3ec6f804c453e7cc4205c2cd2c3a65a8e1ff0d573eff13c1aa15c78877af239
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7783

Heuristics 7

  • 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.
  • 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://podar.co.za/XSRYdR1H?utm_term=ammonium+hydroxide+physical+form PDF link annotation
    • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161b2d2a9612ad---bebesosuxoxavoborarik.pdfIn PDF document text
    • http://baheth24cars.com/ckfinder/userfiles/files/62118610194.pdfIn PDF document text
    • https://konferencia2017.medius.sk/userfiles/file/duwobu.pdfIn PDF document text
    • http://mgtuae.com/uploads/file/refebawe.pdfIn PDF document text
    • https://perfecthospitals.com/ckfinder/userfiles/files/zolemulu.pdfIn PDF document text
    • https://pianoinprimopianofestival.com/uploads/file/vivogegosodidiveso.pdfIn PDF document text
    • http://hezhengwy.com/js/fckeditor/editor/filemanager/connectors/php/connector.phpUpFile/202110/file/20211007_222759_174.pdfIn PDF document text
    • http://resortcrimea.com/ckfinder/userfiles/files/31601722535.pdfIn PDF document text
    • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/9dc195747ae444eed3dc025a61cc3ece/88923216753.pdfIn PDF document text
    • https://dpt-mh.com/uploads/news/files/3954159974.pdfIn PDF document text
    • http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/47055051834.pdfIn PDF document text
    • http://perles-del-beya.com/userfiles/file/lugidoxarimexojo.pdfIn PDF document text
    • http://baltic-rt.ru/ckfinder/userfiles/files/32386429628.pdfIn PDF document text
    • http://cuakeobinhduong.com/upload/files/23802233982.pdfIn PDF document text
    • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1618c3bd9cf846---59688198609.pdfIn PDF document text
    • https://poulinstrapscan.com/userfiles/file/tudus.pdfIn PDF document text
    • http://nage-z.com/ckfinder/userfiles/files/86193958565.pdfIn PDF document text
    • http://chromowane.com/userfiles/file/58141903071.pdfIn PDF document text
    • http://anexbd.com/assets/ckeditor/kcfinder/upload/files/96638843687.pdfIn PDF document text
    • https://cmf8.ir/data/file/tawekowefaxakopege.pdfIn PDF document text
    • https://knurussian.kr/DATA/upload/files/202107061816418401.pdfIn PDF document text
    • http://www.netcorp.hu/data/editorfile/40108933422.pdfIn PDF document text
    • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/jnjc9lkm7q7tkg9uv59nfglr80/87779669908.pdfIn PDF document text
    • https://t2sc.me/userfiles/ligebiriluguzuzo.pdfIn PDF document text
    • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161124f5bb2918---munut.pdfIn PDF document text
    • https://eatorhours.org/e-bussiness/fckimages/file/14172488.pdfIn PDF document text
    • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1617ec2f613cd8---69363033099.pdfIn PDF document text
    • http://alkanboya.com/files/file///84133310341.pdfIn PDF document text
    • http://gidaero.com/upload/fckeditor/file/92113356296.pdfIn PDF document text
    • http://bualuang101.com/backoffice/upload/files/tekipatat.pdfIn PDF document text
    • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1618a6d8c5559e---37514192626.pdfIn PDF document text
    • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16137105c61cfc---67350230828.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.netReferenced by PDF JavaScript
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseReferenced by PDF JavaScript

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00036a83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36A83 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off000381a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x381A3 11084 bytes
SHA-256: 99a0790cdca9d0aeab33e8934e0ec05a1493e51ef3eb0627fe517df4b562a49d
font_02_sfnt_off00039b45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39B45 18148 bytes
SHA-256: 6b626beecf85bf4e5d69161c69163c8b379f13a2253e9675a5491aa764914d56

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