Malicious PDF — malware analysis report

Static analysis result for SHA-256 793d689388195724…

MALICIOUS

PDF

266.6 KB Created: 2022-05-08 09:21:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: cd1fe9f97bae66f215974f97b198a1a5 SHA-1: 11431dafc1456ff23a3b0dde47d02deb2cfe0df9 SHA-256: 793d68938819572403faa9a7b613c73769ae4dabad33f1de7590b4690efa7f4e
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6481

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://loheb.co.za/XSRYdR1H?utm_term=sullivan+cpap+manuals+pdf+free+printable PDF link annotation
    • http://dc-0b9b12d700ad.collinite.pl/userfiles/file/xoxuvodugezamekemalosar.pdfIn PDF document text
    • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161f9d9ffb0447---daserovizubalikebesaz.pdfIn PDF document text
    • http://dobre-jaja.com/Upload/file/75222789677.pdfIn PDF document text
    • https://yantrasearch.com/ckfinder/userfiles/files/kogemak.pdfIn PDF document text
    • http://snabsz.ru/ckfinder/userfiles/files/98127102910.pdfIn PDF document text
    • http://holzweiss.at/piwunamogukoposege.pdfIn PDF document text
    • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/162023bc09efd2---nanisebetuxagegivuxizabo.pdfIn PDF document text
    • https://tugemizibu.weebly.com/uploads/1/3/0/7/130739278/tigudipopetabekevop.pdfIn PDF document text
    • https://total-sport.pl/img/upload/files/jedegobiliwozidelukugaj.pdfIn PDF document text
    • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/da83dd680cf81a20ca33b150be437fa2/nixuzudev.pdfIn PDF document text
    • https://serilerotupuk.weebly.com/uploads/1/4/1/3/141355980/44857f.pdfIn PDF document text
    • https://bookings.gulfstarsports.com/admin/kcfinder/upload/files/nowazuv.pdfIn PDF document text
    • http://kondicionery-dolgoprudny.ru/upload_picture/file/pawaxinirigudozabixo.pdfIn PDF document text
    • https://matkinhantai.com/luutru/files/66887488811.pdfIn PDF document text
    • https://lean-ds.com/upload/editor/file/favetedujinepom.pdfIn PDF document text
    • http://matemotors.com/userfiles/file/56387436966.pdfIn PDF document text
    • https://klubkanine.com/home/klub/public_html/ckfinder/userfiles/files/46672664360.pdfIn PDF document text
    • http://dental-forum.ru/userfiles/file/gujirokupox.pdfIn PDF document text
    • https://zuxovowosug.weebly.com/uploads/1/4/1/2/141295172/179ca0db.pdfIn PDF document text
    • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/f9fd45983db649d0248b233e32d783b9/40105584644.pdfIn PDF document text
    • https://guapa2.com/admin/fck/file/toxufuponaj.pdfIn PDF document text
    • http://qdjshg.com/files/file/77908820644.pdfIn PDF document text
    • https://xn----8sbcehyodmtf1czh.xn--p1ai/userfiles/file/54519763217.pdfIn PDF document text
    • https://kilewesiviteki.weebly.com/uploads/1/3/1/1/131163613/1742972.pdfIn PDF document text
    • http://www.alex-vasilkov.ru/images/wisdom/file/74878819312.pdfIn PDF document text
    • https://kolabobinojojiv.weebly.com/uploads/1/3/4/8/134880551/067ede32.pdfIn PDF document text
    • http://morard-mcf.fr/data/Files/57979974104.pdfIn PDF document text
    • http://hulstcustoms.ru/uploads/files/39974263270.pdfIn PDF document text
    • https://pixuvanibodaw.weebly.com/uploads/1/3/4/3/134374857/papafokaxexu_linarupozoso_gewabu_fegofafodifoki.pdfIn PDF document text
    • https://valubil.com/public/uploads/cms_file/cms_files/nifuxuzuzuta.pdfIn PDF document text
    • https://paxipanivo.weebly.com/uploads/1/4/1/2/141297355/5656072.pdfIn PDF document text
    • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1626f308600133---dupin.pdfIn PDF document text
    • http://tamker.hu/userfiles/file/73454555904.pdfIn PDF document text
    • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16275c7bf5176e---leretomiz.pdfIn PDF document text
    • http://domeinbeverdonk.be/assets/files/file/81454756209.pdfIn PDF document text
    • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/162704a0786afb---60404289398.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_off0003b9a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3B9A1 18132 bytes
SHA-256: 2c0024a5e02470cb55cf79dec148cb3cdb8665dfa0398b72a911bc0abfc497b5
font_01_sfnt_off0003e88e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3E88E 11040 bytes
SHA-256: bf6988bf8a95430e64de25da793cf8a5038cf23a4adc1b77d32d8e1ef8401ef5
font_02_sfnt_off00040203.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x40203 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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