Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d8a0f50ee223638…

MALICIOUS

PDF

87.8 KB Created: 2021-10-15 10:03:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: 59f092e055ef3f9472e4b444335efb77 SHA-1: 8619426bb56c1cab8677a724cfed50fb698db21d SHA-256: 5d8a0f50ee22363802f1277d8ebc8c92e3e51c619ca427c702a31fe5378ddb27
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9973

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
  • 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.
  • 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://smidgel.ru/uplcv?utm_term=watch+attack+on+titan+subbed+free PDF link annotation
    • http://kxxbs.com/uploadfiles/file/a/xilubazuborit.pdfIn PDF document text
    • https://eklyps.net/images/file/29519205609.pdfIn PDF document text
    • http://livelyway.com/ckfinder/userfiles/files/97483790230.pdfIn PDF document text
    • http://chapaconoticias.com/assets/ckfinder/core/connector/php/uploads/files/96356093128.pdfIn PDF document text
    • https://ottopianos.nl/files/parabuvowasezejesubalu.pdfIn PDF document text
    • http://baugeraeteverleih.de/benutzerdateien/94801750184.pdfIn PDF document text
    • http://aiswaryamatrimonials.com/fck_uploads/file/27316117431.pdfIn PDF document text
    • http://terhautz.com/upload_files/files/6625563544.pdfIn PDF document text
    • https://sindonis.com/userfiles/file/34809330497.pdfIn PDF document text
    • http://herve-coiffure.ci/files/rasebisokenugedabaru.pdfIn PDF document text
    • http://jhdljz.com/userfiles/file/1633261060.pdfIn PDF document text
    • http://clerus.hu/files/file/zopexiv.pdfIn PDF document text
    • http://mcenterdk.ru/fck_editor_files/files/69568282463.pdfIn PDF document text
    • http://shendaoguoji.com/data/attachment/file/pelovojug.pdfIn PDF document text
    • https://emotionalgift.com/ckfinder/userfiles/files/15191223499.pdfIn PDF document text
    • http://ajivikafinance.com/userfiles/file/45515410047.pdfIn PDF document text
    • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/2347c44d4974cfbb8c93d2e3153467ca/72799954913.pdfIn PDF document text
    • https://holcom-wd.com/webroot/img/files/muwosudovakov.pdfIn PDF document text
    • http://celeb.huh.hu/UserFiles/File/wajuwozefisizunix.pdfIn PDF document text
    • http://fujieshubao.com/zk/UploadFile/file/2021091519231273499.pdfIn PDF document text
    • http://swaptoys.org/ckeditor/uploads/files/81568215278.pdfIn PDF document text
    • https://hobbyschuurtje-webwinkel.be/images/userfiles/file/59519249136.pdfIn PDF document text
    • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/45b201ad6db430ed162ae3cda47e061c/xakesotututewitamubir.pdfIn PDF document text
    • http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/pixesomovemudikupis.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_off0000f079.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF079 18732 bytes
SHA-256: 9670ba72e4fbe741dceb21a68aab9802610bf92f765c352d3460015c9322ac79
font_01_sfnt_off00012079.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12079 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00013890.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13890 10852 bytes
SHA-256: 0fbcf65ed5d93c75e48967eb6f939c650bac2e147e23ba2802692c897926a110

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