Malicious PDF — malware analysis report

Static analysis result for SHA-256 22479865ab0c5f58…

MALICIOUS

PDF

484.4 KB Created: 2022-02-21 05:00:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-23
MD5: 0e3a27575a93ea74af3697235c94bf23 SHA-1: 6a02d3ceeef8ae8e6902dd7016d767077b12b03a SHA-256: 22479865ab0c5f580379dd08b51b33aca1cf8d25fca1c2f55158b7653c719baa
136 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4372

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 http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16201792125f27---65827200925.pdf In PDF document text
    • http://salamino.pl/userfiles/file/xudimakuwasogusunigujonib.pdfIn PDF document text
    • http://gomientrung.vn/uploads/image/files/ziwuxutasiwaramuzopu.pdfIn PDF document text
    • http://retrievers.su/ckfinder/userfiles/files/mewunonem.pdfIn PDF document text
    • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/161bed1fba4c61---ponobazidobawavukugizuxu.pdfIn PDF document text
    • http://thienlongadv.com/upload/files/ginamawakolar.pdfIn PDF document text
    • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/359d160e41d94e47b44e255b6526fbb3/pugoxovaka.pdfIn PDF document text
    • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16133346e57996---88819648843.pdfIn PDF document text
    • http://baltic-rt.ru/ckfinder/userfiles/files/51144186245.pdfIn PDF document text
    • http://munnarteabungalows.com/userfiles/file/nuxadibazo.pdfIn PDF document text
    • http://hanleyresources.com/images/42755359388.pdfIn PDF document text
    • http://saluteebenesseresas.it/userfiles/files/zolebapevetari.pdfIn PDF document text
    • http://levotst.com/uploads/files/15098969713.pdfIn PDF document text
    • http://fzsvybbs.at/userfiles/file/32173044167.pdfIn PDF document text
    • https://legouic-peinture.fr/userfiles/file/wolibemofad.pdfIn PDF document text
    • https://pharma-tools.eu/galeria/file/86950472435.pdfIn PDF document text
    • http://ilpeace.org/assets/ckfinder/core/connector/php/uploads/files/78774320219.pdfIn PDF document text
    • http://le-bouquet.be/userfiles/files/59226979128.pdfIn PDF document text
    • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/d08493208fde390701307af0ed432a53/22189686697.pdfIn PDF document text
    • http://debnine.net/UserFiles/File/xawisejogemafega.pdfIn PDF document text
    • https://yaofangpeixun.com/upload/files/67471709749.pdfIn PDF document text
    • http://zaintik.org/files/galeria/files/97976638512.pdfIn PDF document text
    • http://ever0036.com/assets/uploads/ckedit/files/20211018142944.pdfIn PDF document text
    • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec417feeb92---duwalatizede.pdfIn PDF document text
    • http://dieta-plus.pl/userfiles/file/97812955562.pdfIn PDF document text
    • http://lso-msm.fr/userfiles/file/69772385844.pdfIn PDF document text
    • http://studioesflores.pl/obrazy/file/gijudinuxigazaworidemagub.pdfIn PDF document text
    • http://bisenzia.it/userfiles/files/17729765469.pdfIn PDF document text
    • http://qianxish.com/ckfind_image/files/gatapexufewif.pdfIn PDF document text
    • https://fecuq.co.za/XSRYdR1H?utm_term=indian+wedding+invitation+video+template+freePDF link annotation
    • https://tort-art.ru/userfiles/file/jokud.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 extracted file (font_00_sfnt_off000721bb.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off000721bb.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000721bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x721BB 18308 bytes
SHA-256: 7ff99269847f691c958b019a253bfcc3a31bf38eda62b76f9ba0f1c19eec19f7
font_01_sfnt_off0007520d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7520D 10776 bytes
SHA-256: 476b2fcccbfa34804c610c472107f769e2024bdc74fc135ca65781fb160a3bc4
font_02_sfnt_off00076aa1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76AA1 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9