MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of external URI heuristics and link farm indicators reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1608b312a3fe2e---59549506643.pdf
- http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/belodeguvubesufu.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/aaa300da0b8b73cfc97af2a95c6a7318/zujidokij.pdf
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/9bf2d25bb90ac23e8eddf6276fe462b6/wevopupovepititewus.pdf
- http://adria-ex.com/images/blog//file/16211497671.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6789bb391---jafezekasozinuwavib.pdf
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/9ce850d743c6e65989827846cfff5c1f/3257373708.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb1c33d8ad---wetogerazijinanamariles.pdf
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/7c1e3d93fd655492648e4709c84d75e5/gagituvovagabowoteraju.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a417069e0a0---30701341793.pdf
- http://centreforeffectivecoaching.com/media/file/jatituvejuvuxori.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608abcb9f3c29---basawe.pdf
- http://metallpress.info/files/dejizipizajen.pdf
- http://ceraunavoltapizzeria.it/userfiles/files/81759075799.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2ca5c36970---wakirenilopibegalebez.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/lc9jl3h5j5eebama824arm7ua7/38353516010.pdf
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607d232e62e71---fovavetozerosupeduwovo.pdf
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/8j6fe05hnvea9261dda0iihajl/minafapusupisukapu.pdf
- http://al-farh-iq.com/upload/userfiles/file/kubixu.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c26a238d104---30339008665.pdf
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a3e79e3dc0---xenibupavad.pdf
- http://summithigh49.com/clients/3/33/3334069ac8a672cbece4a9536eb221cc/File/dugojuwozoxebogikib.pdf
- http://hykylalumni.org/userfiles/22516493742.pdf
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/movodadazudigiwegadev.pdf
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/8861105b9ec6d9de60fdfe062a51b691/xepegibamawife.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=el+amor+en+tiempos+de+colera+pelicula+completa+en+espa%C3%B1ol+latino+descargar
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee2a.bin97e3f73a58ccdd4784c9ae1678d9f90717e6b6d0c87c36bf93adb8865ef65ebd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE2A | 16192 bytes |
font_01_sfnt_off000103b2.bin4e0f5652c328fb32c5875538a56b3388d73bbb1323d70647afc3759fe0bd5474 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103B2 | 18648 bytes |
font_02_sfnt_off00013262.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13262 | 16792 bytes |
font_03_sfnt_off00014a79.binb22d25d42ddc536d037c9bc1b40fbafdc4fc59cf2aac961655de7bf5c4680323 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A79 | 11144 bytes |
font_04_sfnt_off000163f5.bin5b5011e89d777127e2cf04d1ad3dcd6e402650fd02da77e15541541614dace89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x163F5 | 2768 bytes |
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