Malicious PDF — malware analysis report

Static analysis result for SHA-256 782fd19e401dfa26…

MALICIOUS

PDF

195.7 KB Created: 2022-04-09 05:20:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: c42108c9b3451fde4123716b30f53a43 SHA-1: 027b4461c9a833c8c67917dc8d05f16f92bcd32e SHA-256: 782fd19e401dfa26464dad20469d7ad7c5f72ba7c4d41ab216ac7ccb0a3fb3f4
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

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.
  • 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://sunuf.co.za/XSRYdR1H?utm_term=clinical+mastery+series+nbme+pdf PDF link annotation
    • http://tat.tatagrohimservis.ru/files/fekisefanolejala.pdfIn PDF document text
    • http://ketoanbinhthuan.com/users/files/nosijaj.pdfIn PDF document text
    • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1624b09d17983d---sodisikimok.pdfIn PDF document text
    • https://giyimkent.formenemlak.com/upload/ckfinder/files/68367903604.pdfIn PDF document text
    • https://7mark3t2-7aya.com/contents/files/pesijimibodalu.pdfIn PDF document text
    • http://hzxf.com/images/upload/File/29173086805.pdfIn PDF document text
    • https://grandiosieventinuziali.it/filesUploads/file/xiteretugavove.pdfIn PDF document text
    • https://sealand-pptc.com/userfiles/file/32402586181.pdfIn PDF document text
    • https://sapsda.org/SapmaUserfiles/file/lenejuminap.pdfIn PDF document text
    • http://legrand-valena.su/kcfinder/upload/files/wekoxozisiluvajexubuv.pdfIn PDF document text
    • http://namaslennikova.ru/kcfinder/upload/files/bufutukewapujifewo.pdfIn PDF document text
    • https://roundtable106trust.org/admin/uploads/file/93076706223.pdfIn PDF document text
    • https://dalnoboy.com/data/filestorage/upload/files/gufug.pdfIn PDF document text
    • http://adamstore.medianet-shop.de/userfiles/editor_files/file/17441070394.pdfIn PDF document text
    • http://chroscina.com/userfiles/file/95631304913.pdfIn PDF document text
    • http://iseveranscopy.com/upload/editor/file/71559807034.pdfIn PDF document text
    • http://indecomavo.pl/userimg/inc/25838721276.pdfIn PDF document text
    • http://tecmifor.cl/userfiles/file/xupuzawekivej.pdfIn PDF document text
    • http://www.cst.rnu.tn/js/ckfinder/userfiles/files/45930224628.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_off0002a1a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2A1A2 10948 bytes
SHA-256: 7a515fae474b3feb074e7dc33defbe749995d407c84dd67f33c17d91a729c2c9
font_01_sfnt_off0002bacb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2BACB 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0002d2dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D2DD 17464 bytes
SHA-256: b3c0e2819c59f409c3ef91725c0b170f5eddd520493d8d7aebd2e128f41e6824

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