MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a link farm designed to lead users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9806
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/09d840ba2003dddc98fb51b2ce0618ac/43796084073.pdf In PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bce1dba89fc---sezikusuw.pdfIn PDF document text
- http://klpa.net/userData/board/file/55752802819.pdfIn PDF document text
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/86907135195.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16073e673861bb---15824727086.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/9d1233d90f54605cfd4cc4fb71c30a84/depikuxasivuremapigigena.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160832bf9ac06f---40290542061.pdfIn PDF document text
- https://drlanda.hu/user/file/redijipebol.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160812bdad9d97---bokelez.pdfIn PDF document text
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/4b8cba6c45cfb688594ed1a6b3dd4d66/64922406678.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbc954b934f---57410464465.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/28391618951.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a39249232---63523885644.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608300c817fac---wilatejegujuvujagopenu.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aed78ef6dc---nujumoxogowatoj.pdfIn PDF document text
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7723f4186---7428072784.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ba8227494d1---bisonajufofaxaruw.pdfIn PDF document text
- http://delshadian.com/public/userfiles/file/vugepulanoridowiwevedetar.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a61a7d83e---xalixejelime.pdfIn PDF document text
- http://mientrungland.net/uploads/image/files/golinagodidufefiwi.pdfIn PDF document text
- http://quatanggiabao.com/images/uploads/files/petexum.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/81bjl4ku0lm90ns0387l00l1v7/19738355483.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16093aa6aa140e---74021980853.pdfIn PDF document text
- http://oreade-breche.fr/userfiles/file/20345901811.pdfIn PDF document text
- http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/gesuvukuse.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/boxifisuzibofovex.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac080e030be---tutirelada.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=yellow+and+black+finchPDF 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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000113bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012bd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BD1 | 17004 bytes |
SHA-256: 3c7581bc2c845c7a869d7e9162837f6d54359b22ecb3a8e6e3853edce0d0173b |
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font_02_sfnt_off0001587a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1587A | 10508 bytes |
SHA-256: 5bc5464a66c292c9dd9d247a283d56bfc28be852a2a0122ab175ffcbdc5bbcf8 |
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