Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7a1773a840869e…

MALICIOUS

PDF

347.0 KB Created: 2022-02-25 13:46:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: e0cc0277f9db2b5423327cbc4999edcd SHA-1: 0f28b0b894722f3b0c40300a29e4cc267e62b5f7 SHA-256: cd7a1773a840869e44fbd689bd6deb39d275d93a1a652dd2c729eee6fe012fa1
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7480

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://colod.co.za/XSRYdR1H?utm_term=guided+busway+timetable+st+ives PDF link annotation
    • http://www.truca-taoules.com/ckfinder/userfiles/files/lafigowewowurewoxudume.pdfIn PDF document text
    • http://dongzzang.com/userfiles/file///47547294313.pdfIn PDF document text
    • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/f625135c973bf96cd0829533ca2df507/jejenezije.pdfIn PDF document text
    • https://alaskaproauto.net/nbloom/fckuploads/file/rowuzololisepe.pdfIn PDF document text
    • http://nuraski.pl/wsg/userfiles/11919596371.pdfIn PDF document text
    • http://jpsacademy.com/slbdavbatala/userfiles/file/guvarotulimulot.pdfIn PDF document text
    • http://ssanadia.in/userfiles/file/26882770405.pdfIn PDF document text
    • http://dainichiji.com/upload_ckr/files/56094782248.pdfIn PDF document text
    • http://capitolmetrophysicaltherapy.com/files/files/54188417495.pdfIn PDF document text
    • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/161c435627555c---8551474645.pdfIn PDF document text
    • http://avesta-hmora.boj.se/uploads/userfiles/files/goxalewabubuk.pdfIn PDF document text
    • https://keralatemples.info/ckfinder/userfiles/files/xobatok.pdfIn PDF document text
    • https://chinese-wall.tw/upload/files/38197800840.pdfIn PDF document text
    • http://mashhadgardi724.ir/basefile/mashhadgardi724/files/fixegogiwek.pdfIn PDF document text
    • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/161b1945c23299---57976761181.pdfIn PDF document text
    • https://vili-al.com/uploads/wysiwyg/files/89847622422.pdfIn PDF document text
    • http://delta-serwis.pl/pliki/gowabujegutena.pdfIn PDF document text
    • https://istanbulbalbir.com/upload/ckfinder/files/74842469799.pdfIn PDF document text
    • http://abwcrainhwy.com/uploads/files/42670158795.pdfIn PDF document text
    • http://bashtourizm.ru/uploads/files/56725121546.pdfIn PDF document text
    • http://mexvp.com/ckfinder/userfiles/files/luninalesotukexanabaxig.pdfIn PDF document text
    • https://justforjetscatering.com/userfiles/image/files/pimabotexigebusuxixinefo.pdfIn PDF document text
    • http://littlepearlbooks.in/data/eimages/file/wosukuvigajuxokimesugofed.pdfIn PDF document text
    • http://hotelhillwaypark.com/app/webroot/js/kcfinder/upload/files/zuwogupirorug.pdfIn PDF document text
    • http://instant-image.net/UserFiles/Site/File/xeparizi.pdfIn PDF document text
    • https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/65360998466.pdfIn PDF document text
    • https://genia-groupe.fr/images/files/94070164105.pdfIn PDF document text
    • https://balajihighfields.in/userfiles/file/70681254426.pdfIn PDF document text
    • http://khocabien.com/uploads/files/sixozedoworumipez.pdfIn PDF document text
    • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/64300482968.pdfIn PDF document text
    • https://fond.ru/userfiles/file/nufasirov.pdfIn PDF document text
    • https://theurbanthinktank.com/files/94228508720.pdfIn PDF document text
    • https://xn--z4qq44i.tw/upload/actfiles/78775625404.pdfIn PDF document text
    • http://foto-klub.dk/userfiles/file/febuximavojosepitafonefod.pdfIn PDF document text
    • http://cluster006.ovh.net/~greeters/be/ckfinder/userfiles/files/kiguminegubatoneketuk.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_off0004f7dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F7DC 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off00050efc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x50EFC 10632 bytes
SHA-256: d90071f39b70a899c088975c822141351b7d2af8622f9c145ea7c97dc7f778e1
font_02_sfnt_off00052770.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x52770 19696 bytes
SHA-256: bccbee36f7a4340dd71b269d2dd74ccb55615d75077ce7cc7f4527bc8b80ab6b

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