Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2e38e27dd9ad9c…

MALICIOUS

PDF

253.4 KB Created: 2022-02-07 21:56:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: ff76c1d7ddbaa4f4da8d9ca7c7b8baec SHA-1: 06f0e85e9275e185870c7ac4e86859f461c9abaf SHA-256: af2e38e27dd9ad9c94226da83277cb2aa7a2fd06a2bba9073a304b7c8dcde3aa
182 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.5976

Heuristics 8

  • 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.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=avery+labels+5660+template PDF link annotation
    • http://no1sushinroll.com/uploads/files/narebubejus.pdfIn PDF document text
    • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/161ca52da9659b---pisex.pdfIn PDF document text
    • https://calson.garment-pro.com/ckfinder/userfiles/files/32711971887.pdfIn PDF document text
    • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/nidixo.pdfIn PDF document text
    • https://iasvn.org/Images_upload/files/fogimerotixes.pdfIn PDF document text
    • https://nedimgame.com/calisma2/files/uploads/pefetejajokabumu.pdfIn PDF document text
    • http://arablift.net/userfiles/file/37786240959.pdfIn PDF document text
    • http://yaolankungfu.com/kcfinder/upload/files/nozasixedoxokitajives.pdfIn PDF document text
    • https://norservis.com/files/files/wavupunuroseduvani.pdfIn PDF document text
    • http://eaupureinternational.com/userfiles/file/24963184641.pdfIn PDF document text
    • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16105f246c196f---7699596673.pdfIn PDF document text
    • https://www.jnvhardoi.org/ckfinder/userfiles/files/74632415076.pdfIn PDF document text
    • https://hsse.cl/files/beranenujuxar.pdfIn PDF document text
    • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f51fb299d20---79553386954.pdfIn PDF document text
    • http://nerezove-kuchyne.cz/UserFiles/File/xikosajefopopatesinubip.pdfIn PDF document text
    • http://oresteruggiero.com/userfiles/files/dizabinazedupinezugokog.pdfIn PDF document text
    • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/465f823305b91a1a97d99bd0f767453b/18465262500.pdfIn PDF document text
    • http://psn-monolit.ru/img_file/files/peminida.pdfIn PDF document text
    • http://clubblink.net/admin/upload/file/29676825211.pdfIn PDF document text
    • https://expobar.vn/app/webroot/files/images/pages/files/75128088789.pdfIn PDF document text
    • http://cosmik-kinoteatr.ru/sadm_files/lajunudazav.pdfIn PDF document text
    • http://teusz.pl/UserFiles/file/18245058034.pdfIn PDF document text
    • http://awfiowv.love-mrt.com/upload/files/21665346690.pdfIn PDF document text
    • https://nothingbutsafetyglasses.com/userfiles/file/vokuwupanofekekel.pdfIn PDF document text
    • https://chennothinterios.com/uploads/file/kamuxigafapivobed.pdfIn PDF document text
    • http://pasat.alehotel.pl/userfiles/file/xawuvitabejomuguxemuv.pdfIn PDF document text
    • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/j6e1urle803ef1t422naaoobh1/46255097383.pdfIn PDF document text
    • http://oreade-breche.fr/userfiles/file/patemubakil.pdfIn PDF document text
    • https://fo-prefectures.com/pages/files/sozevitakumub.pdfIn PDF document text
    • http://phupmirpol.pl/userfiles/file/65368282558.pdfIn PDF document text
    • http://fincasotilloviejo.es/files/sotillo/_repo/file/kudivok.pdfIn PDF document text
    • https://studiecarriere.it/uploads/file/57165012728.pdfIn PDF document text
    • http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/64027251629.pdfIn PDF document text
    • https://kingdomofgodmn.org/userfiles/files/59937317174.pdfIn PDF document text
    • https://www.rapn.ru/ckfinder/userfiles/files/zemimapadinatutivuga.pdfIn PDF document text
    • https://www.dooleysnaturalgas.com/ckfinder/userfiles/files/vuxewo.pdfIn PDF document text
    • http://cartopack.com/Images/file/titibojiwulubefan.pdfIn PDF document text
    • https://editions-tlp.fr/ckfinder/userfiles/files/18858268969.pdfIn PDF document text
    • http://beta-rc.com/upload/files/vitul.pdfIn PDF document text
    • http://4bx.pl/public/file/82170788336.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_off000383c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x383C9 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off00039ae9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39AE9 10820 bytes
SHA-256: ffcd64f83bf7bfcefc0a4f4372c64ecd3e0ca03b08223ac7d77492c96716ed2d
font_02_sfnt_off0003b3da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3B3DA 18796 bytes
SHA-256: 3ef04b6b14cf31f073126037ff3f63103cea2532a8559fd1b223cbb1efdc2f89

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