Malicious PDF — malware analysis report

Static analysis result for SHA-256 793fca073f49aa35…

MALICIOUS

PDF

72.7 KB Created: 2022-03-15 01:12:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 3e0ca8ff214349becece935151080d37 SHA-1: 855cbc6ec512dd414a25065ee1a387fa6b395cba SHA-256: 793fca073f49aa358b643634922a9e3cd15847e5fd20c916a5e177403fc4d89d
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://sunuf.co.za/XSRYdR1H?utm_term=vpn+free++for+windows+10+india PDF link annotation
    • http://phayaotechno.com/UserFiles/File/zixuvetim.pdfIn PDF document text
    • http://schokofontaenen.de/idata/44793266558.pdfIn PDF document text
    • https://ekometal.com/kcfinder/upload/files/48241767249.pdfIn PDF document text
    • http://heimatforschung-marktleuthen.de/lexikon/bilder/redemotuvezinigegeme.pdfIn PDF document text
    • https://maytuixachanquynh.kimtuong.vn/isc/public/files/fckupload/file/58523544302.pdfIn PDF document text
    • http://cdio.vn/uploads/userfiles/file/vebefuxit.pdfIn PDF document text
    • https://ferropula.hr/files/bamaju.pdfIn PDF document text
    • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621b82205c2f5---25007942145.pdfIn PDF document text
    • http://bappeda-jepara.org/app/webroot/js/kcfinder/upload/files/29290741188.pdfIn PDF document text
    • http://adm-zhemtala.ru/files/files/3753140408.pdfIn PDF document text
    • http://www.littletreepreschool.com/admin/kcfinder/upload/files/63881237883.pdfIn PDF document text
    • http://xn--2-7sbddqrtdw3be6jua.xn--p1ai/userfiles/file/nenaroberix.pdfIn PDF document text
    • http://adice-area.com/pictures/files/81515314807.pdfIn PDF document text
    • http://tbeaindia.com/userfiles/file/15875929599.pdfIn PDF document text
    • https://kuadrifoglio.it/upload/userfiles/files/81820285090.pdfIn PDF document text
    • http://nrgmedia.hu/files/file/28323914962.pdfIn PDF document text
    • http://lexnovum.pl/js/kcfinder/upload/files/14382700381.pdfIn PDF document text
    • http://iuppiteredizioni.it/kcfinder/upload/files/35207508540.pdfIn PDF document text
    • http://chronoflex-dz.com/app/webroot/assets/js/kcfinder/upload/files/fujajafov.pdfIn PDF document text
    • http://hkbroadwin.com/userfiles/wapoxewaxupakoxula.pdfIn PDF document text
    • https://gamidbisha.com/userfiles/file/lasipin.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_off0000b483.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB483 19008 bytes
SHA-256: d71ee99bd06f05d6917b86e85441db7cdacb8c898d9473f192f8e784fc259c3b
font_01_sfnt_off0000e5ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5ED 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off0000fd0d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD0D 10576 bytes
SHA-256: 7ba044b5f584a23da24c39abf651c2b30eb6ec06698078d59edf4f6653d99c28

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