Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f63d78f79c42935…

MALICIOUS

PDF

402.7 KB Created: 2022-03-03 14:12:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-30
MD5: d4956a311fa522b6e4052fdf8474a3b3 SHA-1: b5ebb46f028812b00aad1e527a95b176fe90d499 SHA-256: 8f63d78f79c42935eb5c7065d06d6e09966c47aacf7c97957de1ce1ac2296b62
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7151

Heuristics 5

  • 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.
  • 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 http://dogomanhnghia.com/uploads/files/55527414737.pdf In PDF document text
    • https://herfection.herfection.tw/upload/ckfinder_temp/files/20220220060433.pdfIn PDF document text
    • https://highlander-inn.com/assets/userfiles/files/juvavikozefugem.pdfIn PDF document text
    • http://thementalhealthadvocates.org/files/userfiles/file/jenosuti.pdfIn PDF document text
    • https://bitree.com/ckfinder/userfiles/files/30600737683.pdfIn PDF document text
    • http://hk-sai.com/ckfinder/userfiles/files/44242570128.pdfIn PDF document text
    • https://towa-aaa.jp/userfiles/file/61908773066.pdfIn PDF document text
    • http://isped.net/kcfinder/upload/files/98368175949.pdfIn PDF document text
    • http://pusat.wellcomm.co.id/assets/kcfinder/upload/files/35339153044.pdfIn PDF document text
    • http://retailcop.ca/files/5252701208.pdfIn PDF document text
    • http://lauffer.com.br/app/webroot/js/kcfinder/upload/files/80857331491.pdfIn PDF document text
    • https://clubberia.com/js/ckfinder/userfiles/files/64364269139.pdfIn PDF document text
    • http://keifo.ru/ckfinder/userfiles/files/vasepatedu.pdfIn PDF document text
    • https://pnp-studio.com/fckeditorfiles/file/xuvilote.pdfIn PDF document text
    • https://riausky.com/editor/kcfinder/upload/files/79580297970.pdfIn PDF document text
    • http://mabifitness.it/userfiles/files/18306921684.pdfIn PDF document text
    • http://haliburtonhighlandsheritage.ca/userfiles/file/64905377328.pdfIn PDF document text
    • https://andreanpantravel.com/userfiles/tnejp/files/finuturinixinidajevu.pdfIn PDF document text
    • http://sangiorgioautoservizi.com/userfiles/files/58598105737.pdfIn PDF document text
    • http://bausite.ru/userfiles/files/dosuferitenegu.pdfIn PDF document text
    • http://erpos.sk/data/files/59765361598.pdfIn PDF document text
    • http://cjmfgx.morefriendship.com/upload/files/25820890889.pdfIn PDF document text
    • https://lawina-radom.pl/files/file/tajele.pdfIn PDF document text
    • http://parzenica-bialka.pl/userfiles/files/nusen.pdfIn PDF document text
    • https://tradingcall.in/ckfinder/userfiles/files/65884470748.pdfIn PDF document text
    • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/or58c61v8uoghs6p4efomoqf37/35515548433.pdfIn PDF document text
    • http://vetportonaccio.it/userfiles/files/74401720648.pdfIn PDF document text
    • https://cordovajewelry.com/images/file/51977900607.pdfIn PDF document text
    • https://colod.co.za/XSRYdR1H?utm_term=bewitched+tv+show+episode+guidePDF link annotation
    • 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 extracted file (font_00_sfnt_off0005da19.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0005da19.bin)

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005da19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DA19 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0005f134.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F134 18336 bytes
SHA-256: 3f2f58f73732c55b3a010b8f20da04cc8d0a0b4348667d5ee7ab78a31ac65fbd
font_02_sfnt_off00062157.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62157 10688 bytes
SHA-256: 6d1ded0b796167e8783cafcc28b07f7ca5050e36f525b1b33d9bbd147ade83be

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