Malicious PDF — malware analysis report

Static analysis result for SHA-256 425d40573f82107a…

MALICIOUS

PDF

588.1 KB Created: 2022-03-11 00:58:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: 526cdddd8a4bf91d02f4e80b9b670c0a SHA-1: 5201470397989350f6f935c487b0c6ccef230ac1 SHA-256: 425d40573f82107ad15c53a2cd25608fc22071fd0d2a291d37b9eedea874401d
136 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4874

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://mifuj.co.za/XSRYdR1H?utm_term=aristida+junciformis+size PDF link annotation
    • http://fabtur.ru/upload/files/280953589.pdfIn PDF document text
    • https://hiroyoung.com/data/files/43745709430.pdfIn PDF document text
    • https://finduspeople.it/upload/files/44689501267.pdfIn PDF document text
    • http://printrun.nl/userfiles/files/61594984361.pdfIn PDF document text
    • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/161fa44a7ace18---58604581754.pdfIn PDF document text
    • http://praconsulgroup.ru/pict/file/24076405236.pdfIn PDF document text
    • http://ndc-group.ru/uploads/files/gavojafubijozezaf.pdfIn PDF document text
    • http://smartbazar.online/app/webroot/upload/files/zized.pdfIn PDF document text
    • http://vwtint.com/userData/board/file/45041552967.pdfIn PDF document text
    • http://igabana.com/upfolder/e/files/20220224105141.pdfIn PDF document text
    • https://febrerasesores.com/uploads/kcfinder/upload/files/vixefulotipaxaturadawidip.pdfIn PDF document text
    • http://ecohouse-lab.de/userfiles/file/29439874941.pdfIn PDF document text
    • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/162083bf9cc06c---tinajugoviviziziv.pdfIn PDF document text
    • https://khogiaydantuonghanquoc.com/images/news/file/repuxox.pdfIn PDF document text
    • https://h1t-url12shio-turbo.com/contents/files/12158711118.pdfIn PDF document text
    • http://alocainghien.com/uploads/userfiles/file/gebebimape.pdfIn PDF document text
    • http://hftyby.com/upload_fck/file/2022-2-15/20220215170309763764.pdfIn PDF document text
    • http://biondiairsystem.it/userfiles/files/42846903446.pdfIn PDF document text
    • https://hobbyschuurtje-webwinkel.be/images/userfiles/file/83526789234.pdfIn PDF document text
    • http://autord.ca/site-uploads/romowijefujopuxadilopalav.pdfIn PDF document text
    • http://wgadget.com/file_media/file_image/file/71679185646.pdfIn PDF document text
    • https://lifo-sea.com/ckfinder/userfiles/files/46854809372.pdfIn PDF document text
    • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/v14gruhpvnrhkcn6k7a670ci94/vazawajusizekutusunedin.pdfIn PDF document text
    • http://petra-dario.info/upload/datoteke/zenomowotubusiwuvogifovad.pdfIn PDF document text
    • http://itkaufmann.com/images/fckimages/file/10540015062.pdfIn PDF document text
    • https://1ar.sa/userfiles/file/57008768987.pdfIn PDF document text
    • https://812423.qqtogeljackpot2.com/contents/files/saxuragito.pdfIn PDF document text
    • http://softwarefactory.nl/images/file/rotixefeniwizuxawasoximo.pdfIn PDF document text
    • http://znsedu.net/admin/ckeditor/kcfinder/upload/files/31788052004.pdfIn PDF document text
    • http://www.fdconsult.qa/public/uploads/cms_files/22291934059.pdfIn PDF document text
    • https://cyberbirddog.com/userfiles/files/46445954067.pdfIn PDF document text
    • http://www.barczyk.plwww.sgpm.krakow.pl/aanewsysn/kcfinder/upload/files/66101631575.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_off0008be51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BE51 10864 bytes
SHA-256: cb2aa7c66c9376a5aee0dc40b84fe89f9cf079b9af92d0d0b697ed1748e9c5ed
font_01_sfnt_off0008d775.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D775 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off0008ee90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EE90 18808 bytes
SHA-256: f803fe43e6b83002f5b03ef253791482ff017bc5f215ee11303c745e1b0caa8a