Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d8dadd7e5fba544…

MALICIOUS

PDF

309.0 KB Created: 2022-01-05 07:22:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: 785b2d7d62105d40fc80aab5bdbcc224 SHA-1: ede71a5e52579c1af01871f88e36a9b5ed642794 SHA-256: 5d8dadd7e5fba544d1a3cd49312efe8df3a47692c276c1ea8faa5876cb3981aa
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7732

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://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/f0e73ef10b17431d49f41a39d1defda2/21983684442.pdf In PDF document text
    • http://gniortho.com/files/Upload/file/bujed.pdfIn PDF document text
    • https://chothuexeninhbinh.net/data/dulieu/files/kozota.pdfIn PDF document text
    • http://seychelles-resort.com/images/blog/file/96947080374.pdfIn PDF document text
    • http://lovepetclinics.com/file_media/file_image/file/56747535298.pdfIn PDF document text
    • https://yptea.com/data/fckeditor/files/zejatajazek.pdfIn PDF document text
    • https://happyfun.tw/uploads/files/202112090844384974.pdfIn PDF document text
    • http://7sate.com/filespath/files/20211115025406.pdfIn PDF document text
    • http://zxsolar.com/d/files/81983745668.pdfIn PDF document text
    • https://verandapattaya.com/userfiles/files/84283006619.pdfIn PDF document text
    • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/5c3c582234d818ed4366035e1f8112a4/1544921338.pdfIn PDF document text
    • http://perchegouet.com/ckfinder/userfiles/files/nedevarazokebijudolet.pdfIn PDF document text
    • https://kalashad.com/userfiles/file/lefipev.pdfIn PDF document text
    • http://csc0851.com/userfiles/file/20211206121812_vf40n7.pdfIn PDF document text
    • http://shinies.ru/img/lib/file/2801366813.pdfIn PDF document text
    • https://sharpconsulting.us/app/webroot/ckfinder/userfiles/files/47037899984.pdfIn PDF document text
    • https://www.studioline.ie/ckfinder/userfiles/files/kopunaruvosuwetatasijo.pdfIn PDF document text
    • http://germainelecocq.it/userfiles/files/45826792691.pdfIn PDF document text
    • http://pressvaluation.net/FCKeditor/editor/filemanager/connectors/userfiles/file/13845042670.pdfIn PDF document text
    • https://mobiligennari.com/userfiles/file/60415229516.pdfIn PDF document text
    • https://semineebrasov.ro/printuri-fi/files/87168926020.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Gsjc/~3/cmwvf4RlXg4/uplcv?utm_term=among+us++pc+windows+7PDF 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 PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00043974.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x43974 11024 bytes
SHA-256: ae8db6eba3f82b9742c73f4f61d1af97bfc919965252a43afb58e2eb01d0943b
font_01_sfnt_off00045ca4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x45CA4 23724 bytes
SHA-256: bd4b2b50b3f63d8ad12d6daf7cc43f961ab219c3b5339e79ae4695506f5353c3
font_02_sfnt_off0004961b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4961B 10536 bytes
SHA-256: f25754e35bf7c0368b62c1e32361e70b9fe5b136b2652526817412f1a3c1383c
font_03_sfnt_off0004adfc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4ADFC 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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