MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with numerous URLs hosted on compromised WordPress sites, indicating a phishing or malicious redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were directly extracted, the structure and embedded URLs point towards a phishing or malicious content delivery scheme, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/b18047ddb5d8118af16b0acdab1ffbb9/sebeborodefodi.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/4t9n8800gbbu0b2ufu0b0ubb4t/puresovuwujolagirevexe.pdf
- http://helderlive.nl/ckfinder/userfiles/files/13160759853.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3c8e5b7a5a---7198148584.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/338ef2aadbc434d2691855c365972410/tizibiti.pdf
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b00e37e0880---fofoj.pdf
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/p4bjfibabblekm337avmtep1o4/juvepuvile.pdf
- https://digireg.cz/upload/vokiri.pdf
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e1588db91c7---54989014809.pdf
- http://szpital-sulecin.pl/images/fckfiles/file/zekirubanijajalusovu.pdf
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c96003c960e---60061066776.pdf
- http://akinmedical.com/uploads/file/gejop.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/12bnbl0e1ba48q2u8khq62mj96/tumotibuw.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608378db154b2---87969667370.pdf
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d824e56191f---kisadawikulafez.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca2fa68aeb5---19837608988.pdf
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/cd94d72e1fae03dbd825f49891e8a5f3/nobax.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/b843a09be3c169ad56739003d47eca8e/9175765036.pdf
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/2f3bc2d03e94cbb96d2acab91377cc91/xowevugibomikomakoxeboket.pdf
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/a14d4e9d86c41dae48e730af40a8fe1b/fagamodifizazixovojudini.pdf
- http://robwalker.net/fckupload/file/bobujutixano.pdf
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3faad5d7fd---jowupumisovenem.pdf
- http://parkettes.org/clients/b/b3/b30d687fb0e6fb0c44210170e51784d9/File/sevazunexovibuna.pdf
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d7a2914cc---zuvigonu.pdf
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c73e091de44---65820395576.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=the+force+of+friction+is+equal+to
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed1a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED1A | 16792 bytes |
font_01_sfnt_off0001052c.bin4b8314b299658015eb7e0d8d615e0952783aa9d791640ba0516ef2d4d54a6516 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1052C | 16904 bytes |
font_02_sfnt_off000130ee.bine4a15eb9b819b2d5a80745beee127734ae15171012e9388de51be5af01e2f46d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130EE | 10640 bytes |
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