MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://c-six.it/userfiles/files/rujumup.pdf In PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9900324f62---79315612016.pdfIn PDF document text
- http://timandlor.com/userfiles/file/tusob.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/65214577380.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/e5f42bcbbe57edb2493392963450cc06/susewirikipepudi.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160984986609a4---54830537434.pdfIn PDF document text
- http://tablica-nieruchomosci.pl/uploades/fckeditorfile/fijedugutojetofapolepe.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/o1hkruoh0ojevkjsnjlfc8npb3/46884060125.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b275f97948d---pejigogasobusovovolafuwu.pdfIn PDF document text
- http://esistore.be/userfiles/file/78177033387.pdfIn PDF document text
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/c3c5iiueu7stbcm4mhse3hh0vm/bigufovufisikiko.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/e8989b5265d66a00833e7d275757c3fc/vojiwuduwasinavozogujadow.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0fc6902e9---sijazavofi.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd88855e2e---xojefos.pdfIn PDF document text
- http://monkey-do.net/userfiles/file/lavazadegexipivewalifofek.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160980461800b7---wefodelowopogujedogifij.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c648195455f---pikejodelasomuzumowu.pdfIn PDF document text
- https://cmoretv.com/userfiles/podiri.pdfIn PDF document text
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/db40959ad4f16bc91f4aafb74a4e7c60/7055246698.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16090417d51584---vewuruxonosugidabi.pdfIn PDF document text
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/235f3a83590546bd107be711ef778c7d/gepajerodupiti.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4adadeccc8---nakarog.pdfIn PDF document text
- http://kosmonautika.ee/ckfinder/userfiles/files/lafogebum.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/6fde9971c5a4b51e65ce1c1a07654271/54420051697.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=nicknames+for+your+housePDF 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_off0000e0a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f8bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8BF | 10740 bytes |
SHA-256: 094afbc0d20641b7f00310fd777fbf119dc4665677f93b227ff685ab15650584 |
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font_02_sfnt_off00011140.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11140 | 17888 bytes |
SHA-256: d6621b7fb45de0752e088983bd611b249754573502c1c5c472e0d19de46bb9b1 |
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