Malicious PDF — malware analysis report

Static analysis result for SHA-256 445671f44647738b…

MALICIOUS

PDF

433.5 KB Created: 2022-02-15 00:53:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-07
MD5: fdfce6d7a59aeed24c51d7d9d9d7034d SHA-1: efc1511e6b7bb72d7f852f616cfd1c09117dbfef SHA-256: 445671f44647738b33db83fa8ccf0cb3a17aa2899fdfd866c9728e463a2215ef
144 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4362

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://fecuq.co.za/XSRYdR1H?utm_term=journaling+bookmark+template PDF link annotation
    • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/0e926a1bef67e63fbe4c3d85849bb3af/79554577760.pdfIn PDF document text
    • http://sireny.net/share/files/nazijedamazogabu.pdfIn PDF document text
    • https://aptitudeclass.com/ckfinder/userfiles/files/89163310494.pdfIn PDF document text
    • http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/firubegeminebobegofana.pdfIn PDF document text
    • http://xn--b1agpbmdtf.xn--p1ai/upload/file/2626124513.pdfIn PDF document text
    • http://hilltopperalumni.com/clients/9/93/936f23dc4abb03f6d4a1aae2c8a32781/File/50690486124.pdfIn PDF document text
    • http://dialog-seversk.ru/jsplugins/ckfinder/userfiles/files/68367052812.pdfIn PDF document text
    • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/rrltm67s6ejfmn2glta8l82lo7/fosoz.pdfIn PDF document text
    • https://sofanet.ro/ckfinder/userfiles/files/dedore.pdfIn PDF document text
    • http://mycoapaisyl.com/webimages/files/jukeso.pdfIn PDF document text
    • http://zawodydrwali.pl/app/webroot/userfiles/file/roburezupafukuwafun.pdfIn PDF document text
    • https://giaynangchieucao.com/userfiles/file/kibowilopagikulida.pdfIn PDF document text
    • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161ac487c46d90---mokuvijurijadi.pdfIn PDF document text
    • http://wolfroccatiassociati.it/userfiles/files/45955739252.pdfIn PDF document text
    • http://kaymccarthy.com/immagini/file/katibesajuf.pdfIn PDF document text
    • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16187f95e09a2f---61824517432.pdfIn PDF document text
    • http://newbiesites.com/userfiles/file/gamados.pdfIn PDF document text
    • http://zavodmdu.ru/userfiles/files/fudivijeti.pdfIn PDF document text
    • http://ambvetesopo.eu/userfiles/files/33343279208.pdfIn PDF document text
    • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/4a67ba02175c0140a63dcf9c61b443f2/3505519999.pdfIn PDF document text
    • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140ccb233ae3---lelupivojovanofotokaf.pdfIn PDF document text
    • http://paramountswimwear.com/userfiles/files/dojebu.pdfIn PDF document text
    • http://profiklub.sanswiss.cz/files/file/pukefekopixetigelu.pdfIn PDF document text
    • http://taketty.xyz/js/ckfinder/userfiles/files/63585209306.pdfIn PDF document text
    • https://marupyara.com/fotos/userfiles/file/bedekozerusemus.pdfIn PDF document text
    • https://snqrsl.quebec/upload/editor/file/85311986234.pdfIn PDF document text
    • http://schubert-hh.de/image/file/savuga.pdfIn PDF document text
    • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/161575799a6d39---42067151345.pdfIn PDF document text
    • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613c2073ea778---72833046868.pdfIn PDF document text
    • https://linkevicius.com/upload/galery/file/91790386825.pdfIn PDF document text
    • https://denizlihorozu.com/resimler/files/lavudasotowego.pdfIn PDF document text
    • http://healingtown.org/userData/board/file/64991220393.pdfIn PDF document text
    • http://studiolegalezullo.eu/userfiles/files/70511811320.pdfIn PDF document text
    • http://prvugkh.ru/uploads/files/85865085645.pdfIn PDF document text
    • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/5097c15eac2b2d36ae349d95f815f486/loguxeviwuzefirav.pdfIn PDF document text
    • http://driscollandgibson.com/images/edit_images/file/73931735180.pdfIn PDF document text
    • http://oppedisanorobertosrl.com/userfiles/files/salawubetudunejufevoza.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_off000651f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x651F5 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off00066910.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66910 19324 bytes
SHA-256: 9334d34ccbbdb8e9366fc0cdf35b5dbbe4ddcf107690e0b43611077090bdc043
font_02_sfnt_off00069bdd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69BDD 10748 bytes
SHA-256: a546bb10594a938e232654d61cd935a8795bfbd78b49551090a67081702397ab

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