Malicious PDF — malware analysis report

Static analysis result for SHA-256 793771e1a8f8cc8f…

MALICIOUS

PDF

678.1 KB Created: 2022-03-15 06:11:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 2d14502730f1111bdc1f02ad3d6f47a4 SHA-1: dd17d2c10c03a67ac9a0dd24983d80c62404e187 SHA-256: 793771e1a8f8cc8f6a1654650ccdaeeb3ed237c15f0a6b21834105780c2b585d
114 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4691

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://mifuj.co.za/XSRYdR1H?utm_term=type+two+diabetes+diet+sheet PDF link annotation
    • https://hattoco.vn/images/ckeditor/files/madalulokebebebogafi.pdfIn PDF document text
    • http://modellcsoki.hu/admin/kcfinder/upload/files/tenilowozoniwariz.pdfIn PDF document text
    • http://mxag.com/upload/browse/file/dekumelokoj.pdfIn PDF document text
    • http://skene.es/userfiles/file/83448400700.pdfIn PDF document text
    • http://www.kermaz.fr/js/kcfinder/upload/files/99323891470.pdfIn PDF document text
    • http://vce34.ru/attachments/file/lixusiwufizatefupuza.pdfIn PDF document text
    • https://sbmhavacilik.com/userfiles/file/19403466525.pdfIn PDF document text
    • http://samvalentim.pt/assets/kcfinder/upload/files/14909317388.pdfIn PDF document text
    • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/bifuwekikixenilipuxane.pdfIn PDF document text
    • http://merten-antik.su/kcfinder/upload/files/79574413130.pdfIn PDF document text
    • http://nfc.soo.jp/file/jukulurerejubapegaxi.pdfIn PDF document text
    • http://pro-roubenky.cz/UserFiles/File/zuvagat.pdfIn PDF document text
    • http://dribblebar.pl/userfiles/file/49392582410.pdfIn PDF document text
    • https://www.italianamaterassi.it/admin/kcfinder/upload/files/14024173673.pdfIn PDF document text
    • http://problemconsulting.com/img/download/files/nezadarimi.pdfIn PDF document text
    • https://gulecbakliyat.com/panel/kcfinder/files/julugavozepuvesu.pdfIn PDF document text
    • http://hongdanhaudio.com/luutru/files/99031924032.pdfIn PDF document text
    • https://xn--fct5g39pjpo.tw/upload/leakstop/files/28438730500.pdfIn PDF document text
    • http://curry-box-deluxe.de/userfiles/file/sefapizofidefarinib.pdfIn PDF document text
    • http://elitk.ru/_files/kikosepobu.pdfIn PDF document text
    • https://yun2u.com/upload/files/lanalonexas.pdfIn PDF document text
    • http://xiangzhuan.tw/upload/files/disukapatonatazofo.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_off000a27ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA27CA 10540 bytes
SHA-256: c13c4bfb4f160d829e1ddf0c6cb7fdd21d5868f8a5028b1ec1c62d084d288c19
font_01_sfnt_off000a3fd4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA3FD4 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off000a56ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA56EF 19592 bytes
SHA-256: bd19523df5ed1b5b7000daf9bdd506943dab50d70838d4da4ad59273ff74fa6a

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