Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2cd236e86d1217…

MALICIOUS

PDF

80.3 KB Created: 2021-10-05 07:18:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: ac1beac76d34acd3eb2bcaa0be02ff94 SHA-1: b9b3d1e83cf227721384b0add0cdee3fecb222d9 SHA-256: af2cd236e86d1217fd5687221a65151e8e1ecc351f4cc0606d519716be98d212
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9953

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://catamma.ru/uplcv?utm_term=baked+prawns+with+cheese PDF link annotation
    • http://www.salac.cz/ckfinder/userfiles/files/vevaragizasas.pdfIn PDF document text
    • http://swhwsolution.it/ckeditor-ckfinder-integration/uploads/files/gufezerubojovesumulidarew.pdfIn PDF document text
    • https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/savupodukuvez.pdfIn PDF document text
    • https://matricula.arendic.cl/files/zisadetafakanubanozizuloj.pdfIn PDF document text
    • http://munnarteabungalows.com/userfiles/file/xipelijatili.pdfIn PDF document text
    • http://chiesamadremarsala.eu/userfiles/files/juxenexipizatuwipir.pdfIn PDF document text
    • http://pilanatofishing.com/home/sandbox/domains/shelter.sandbox.tritek.hk/public_html/ckfinder/userfiles/files/vobagabunukilolilexu.pdfIn PDF document text
    • https://un7un9b3rl1pa7-99.com/contents/files/ginutodemokonozazej.pdfIn PDF document text
    • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d87df90a31---vapimujen.pdfIn PDF document text
    • https://maurinet.com/userfiles/file/kizitofowobad.pdfIn PDF document text
    • http://dorp.pl/userfiles/files/37089013182.pdfIn PDF document text
    • http://hotelrealerimini.it/userfiles/files/logorasigom.pdfIn PDF document text
    • http://infrabud.eu/fckpliki/file/babemaxixi.pdfIn PDF document text
    • https://www.khaosanpools.org/ckfinder/userfiles/files/3907594248.pdfIn PDF document text
    • http://www.prunay-en-yvelines.fr/ckfinder/userfiles/files/25885865635.pdfIn PDF document text
    • https://vildmarksjagt.dk/userfiles/file/45157793221.pdfIn PDF document text
    • http://bjsddesign.com/filespath/files/20210908235759.pdfIn PDF document text
    • http://email-database.info/userfiles/file/65410943976.pdfIn PDF document text
    • http://anpo.vn/upload/files/64414787708.pdfIn PDF document text
    • https://morganmethod.tuesdaytrader.com/ci/userfiles/files/37804073880.pdfIn PDF document text
    • http://balbu.hu/uploads/news/file/bekopeje.pdfIn PDF document text
    • https://jesssmithtri.com/jesssmith/ckfinder/userfiles/files/304218959.pdfIn PDF document text
    • http://www.painters-restaurant.com/userfiles/file/25047377974.pdfIn PDF document text
    • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147cdf097311---88729619580.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_off0000d54d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD54D 10676 bytes
SHA-256: 95cc13437c059e6d9239d3f428ae9832557e5972005072eb157bce18a2d68264
font_01_sfnt_off0000edd2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDD2 18008 bytes
SHA-256: 861d6db53f9fb8cbe1c39c4d1ec22ea85912390f1de30377a907a113ca3af8ca
font_02_sfnt_off00011beb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11BEB 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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