Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7cb2d040ea3488…

MALICIOUS

PDF

247.5 KB Created: 2022-04-17 18:56:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 2b75585b7f3001e21618b647da8291b4 SHA-1: d9600e9adcfbde5c64ac97de7f395f97bd0f477e SHA-256: cd7cb2d040ea34884c8aaff8f757a5bc47d7ade9a61f3125cbc0edd39f0385a3
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7707

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://wirut.co.za/XSRYdR1H?utm_term=dilation+examples+worksheet PDF link annotation
    • http://land89.com/ckupload/files/gipovibixetaxoworotogej.pdfIn PDF document text
    • https://trimix.bg/UserFiles/File/munixerovogafavabadukifap.pdfIn PDF document text
    • http://gsest.com.sa/ckeditor/kcfinder/upload/files/85332615264.pdfIn PDF document text
    • http://www.shriramhariram.com/kcfinder/upload/files/32520558607.pdfIn PDF document text
    • https://jinuwipalo.weebly.com/uploads/1/3/5/3/135332432/bonogedasurubef.pdfIn PDF document text
    • http://stickerbarcode.com/file_media/file_image/file/sazisarekikofazavalin.pdfIn PDF document text
    • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1621c7eb7ef093---buxokewevidamu.pdfIn PDF document text
    • http://sity-luxe.ru/userfiles/file/30285540752.pdfIn PDF document text
    • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/162385c003ec13---79681710834.pdfIn PDF document text
    • https://kaledawuvilef.weebly.com/uploads/1/3/4/7/134727412/4599683.pdfIn PDF document text
    • https://readandenjoy.ae/userfiles/files/xapimapod.pdfIn PDF document text
    • https://puwijupuf.weebly.com/uploads/1/3/4/7/134701632/wagefepeg.pdfIn PDF document text
    • https://indianpowerliftingfederation.com/userfiles/file/31711341126.pdfIn PDF document text
    • http://aventurinproject.tesztweboldal.com/uploads/files/49893224731.pdfIn PDF document text
    • https://tafogufuju.weebly.com/uploads/1/3/4/6/134638326/lisikovebop-tasiguzimax-xadopenajawar-vozinediwomexot.pdfIn PDF document text
    • http://klimafertotlenites.hu/kcfinder/upload/files/75993579484.pdfIn PDF document text
    • https://jeduwenerapowi.weebly.com/uploads/1/3/4/6/134678879/rakukep.pdfIn PDF document text
    • https://fukusegoboviv.weebly.com/uploads/1/3/1/8/131856281/2448678.pdfIn PDF document text
    • https://latvanysport.hu/upload/files/natazilazuxetolix.pdfIn PDF document text
    • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16231545445ec3---vuzizemugilijafe.pdfIn PDF document text
    • https://ronenajawewaxiw.weebly.com/uploads/1/3/4/5/134594127/69d1526b6092.pdfIn PDF document text
    • https://okna-kursk.ru/page_edit/_samples/userfiles/files/wulifurukidowele.pdfIn PDF document text
    • http://thepssmi.org/kcfinder/upload/files/tajolofodepuriw.pdfIn PDF document text
    • https://jixawapideraje.weebly.com/uploads/1/3/3/9/133997308/mojanagoxer-sepevin-mezuxolujuruwa-giguzo.pdfIn PDF document text
    • https://lejufonibo.weebly.com/uploads/1/3/4/4/134470114/7a042aa7c.pdfIn PDF document text
    • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16255d6abe93d8---51306333077.pdfIn PDF document text
    • http://yetisirkaucuk.com/firma/files/61479288280.pdfIn PDF document text
    • https://albertpalais.com/uploads/page-assets/files/jonuduriwolivisonototuw.pdfIn PDF document text
    • https://navefoneg.weebly.com/uploads/1/3/4/6/134647337/tedapijuliwifanuruba.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_off00036d6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36D6A 10800 bytes
SHA-256: 2e165b28476aa440df46e1b27be5eb581178facc62438d27386a73d626bdd5f9
font_01_sfnt_off00038621.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x38621 18804 bytes
SHA-256: 3d169fba7b191e2c21c9152f63e72ea734f9c396c3dae487fa1acc76dfd7ae41
font_02_sfnt_off0003b6ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3B6CA 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1