Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d86eb54380c7711…

MALICIOUS

PDF

461.2 KB Created: 2022-03-11 16:34:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: d4316d5a9ebc648a88783be00e32f55f SHA-1: 732f3086a5b7993b11b7c4e490e7b26129ec93a8 SHA-256: 5d86eb54380c7711102159ff2a4d9b522f6bcc8c5d631efb4521805afaf8638d
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8605

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 https://yubit.co.za/XSRYdR1H?utm_term=accordion+sheet+music+yann+tiersen PDF link annotation
    • https://ooo-kenk.ru/userfiles/file/13397246852.pdfIn PDF document text
    • http://only-svet.ru/upload/files/50247287144.pdfIn PDF document text
    • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1621102d786f14---82207791495.pdfIn PDF document text
    • http://cdseoulps.com/uploadfile/fckeditor/file/11874874215.pdfIn PDF document text
    • https://panegovernance.com/ourprojects/chowki/UserFiles/file/kodaxejizesugopu.pdfIn PDF document text
    • http://autoscuolapezzano.it/userfiles/files/zinosevite.pdfIn PDF document text
    • http://ecohost.ru/pics/images/file/97694958686.pdfIn PDF document text
    • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/ovf5trqqiihku7v5f61eclms0m/labibivazexisala.pdfIn PDF document text
    • https://kidneystonetreatment.in/userfiles/files/80627405291.pdfIn PDF document text
    • https://globalcareerclub.com/FCKeditor/userfiles/file/6188169406.pdfIn PDF document text
    • http://moscowprice.com/content/xuploadimages/file/ruwosirur.pdfIn PDF document text
    • https://stin-verdon.fr/assets/Image/files/99336292216.pdfIn PDF document text
    • http://meyergarden.com/ckfinder/userfiles/files/sarexuwiga.pdfIn PDF document text
    • https://admin.gruppoperonirace.it/kcfinder/upload/files/96168424018.pdfIn PDF document text
    • http://shqinze.net/admin/upimg/file///73186538243.pdfIn PDF document text
    • http://sdtech-kh.com/kcfinder/upload/files/febufipiragitebasufiwop.pdfIn PDF document text
    • http://aeusjtu.pretty-match.com/upload/files/14410092621.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_off0006c0b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C0B2 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0006d7cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D7CD 21140 bytes
SHA-256: 0900d619aab1a1b8714d2fb23a714256a8bb3e40a9b2d78fb7731b51f467d742
font_02_sfnt_off00070dfa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70DFA 10784 bytes
SHA-256: 57a1d97abbbc9216a6c96dba246d2497deef4eca29df2db6e2789f38d17e229f

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