Malicious PDF — malware analysis report

Static analysis result for SHA-256 476e69cb24304de7…

MALICIOUS

PDF

87.8 KB Created: 2021-07-09 14:17:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 7e83c56e2369f6bc3e0b4fc047b58890 SHA-1: 8da06b12d0ffe7071967e87a2c76c15cc80805ae SHA-256: 476e69cb24304de7854f1945a55e25c43602e67d389008a3e53aa2421cb4a587
164 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript, which is a common technique for executing malicious code. Additionally, numerous URLs were extracted, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content or download further payloads. The ClamAV detection and ML classifier further support the malicious nature of this file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9835

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • 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.
  • 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.
  • 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 http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/g45ebq2ptuenomvapq6e7hvsdb/vozaxidamegoxo.pdf In PDF document text
    • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/c9087fb366b29178a980a6af415213a9/figodumoxo.pdfIn PDF document text
    • http://merwepizza.com/upload/file/53868029528.pdfIn PDF document text
    • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160bb63b455e87---73358213273.pdfIn PDF document text
    • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160870d57c4696---lupudopebewakom.pdfIn PDF document text
    • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/155ed6e8d0879e8f80ed07bea09542c4/44626795154.pdfIn PDF document text
    • http://yonseri.org/userfiles/files/vobebabaf.pdfIn PDF document text
    • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/dad063839ffe552b96aabd1a96a8dd19/viwolilanulejeburerenixeb.pdfIn PDF document text
    • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160706c7616bd8---74698703428.pdfIn PDF document text
    • http://socukorglutamatmentesfuszer.hu/ckfinder/userfiles/files/59012796023.pdfIn PDF document text
    • https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160af674496400---riduzozijuzumibazonukabuk.pdfIn PDF document text
    • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609830f42ec48---jemezawebatete.pdfIn PDF document text
    • https://ismart99.net/upload/files/pinilejetuparojenudi.pdfIn PDF document text
    • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bc3669d23d3---xofuvejaterotoget.pdfIn PDF document text
    • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160757f9af3900---28696024755.pdfIn PDF document text
    • http://scheiden-maassluis.nl/uploads//file/86527896921.pdfIn PDF document text
    • https://baoholaodong24.com/userfiles/file/tefumidemomagunevunikijo.pdfIn PDF document text
    • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160de651ba9497---vodorideboxa.pdfIn PDF document text
    • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/47604f1647357e7910665cb998622bba/pagabutedolepulesaw.pdfIn PDF document text
    • http://ghhs1968.com/clients/5/57/5762190d0a265df614d1f295a7060a42/File/pixosumubanuxup.pdfIn PDF document text
    • http://mcutech.net/upload/2021/06/file/16244937251201110201.pdfIn PDF document text
    • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ae333473745---vegavuzemojupixidadivi.pdfIn PDF document text
    • http://skolicka.eu/foto/images/file/gosogegewuxewex.pdfIn PDF document text
    • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ecfecc76f1---fawisarasowirevopodujibu.pdfIn PDF document text
    • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9a72a8a85---51158271360.pdfIn PDF document text
    • http://landia-print.com/pdir/file/78154519173.pdfIn PDF document text
    • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/a2e818371cb78cdf4e2656297180b30c/26339022243.pdfIn PDF document text
    • http://paintmaster.hu/js/ckfinder/userfiles/files/falizote.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=wisdom+tooth+growing+painPDF 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f419.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF419 16760 bytes
SHA-256: edac8d7347e2e38084ef29def3bcd5fae52a220535e289d266f848d6e76ae4d2
font_01_sfnt_off00011fc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11FC3 10740 bytes
SHA-256: 50bde00a13a6a0e406d66a45bd3e9dc83466826e0adca7a012528f9b12299322
font_02_sfnt_off00013818.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13818 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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