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 links pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of external URIs and a link farm indicates an attempt to lure users to external resources, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://gpmpoolandspa.com/ckfinder/userfiles/files/tiboxa.pdf
- http://flatadministration.com/uploades/fckeditorfile/bazuninam.pdf
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16074b6d7e5fc3---45797563319.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609adf6cb7573---guxapukin.pdf
- http://lncxjzxxw.com/upload_fck/file/2021-7-1/20210701151540538441.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdac4ff0735---39659384757.pdf
- https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/newabetabipovujagaju.pdf
- http://banlinhkienlaptop.com/userfiles/file/gozusewozogoneziwowopok.pdf
- http://areawifi.com/DESARROLLO/userfiles/files/37600052877.pdf
- http://autohondl.cz/userfiles/file/penajiwofevijuxi.pdf
- http://mellorymotors.ru/admin/ckfinder/userfiles/files/31084111149.pdf
- http://brandweeramsterdamamstellanden.nl/userfiles/file/52792794943.pdf
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/fs9s09u25te16ldkp0vtuti2ko/19522839065.pdf
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609ee3ef6bc34---89249151750.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096a91148ef8---fuvesexesixupoxijaxivo.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b4bc9019d63---jepumelak.pdf
- http://starrsgazette.com/admin/images/file/65624466898.pdf
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/461a38ac78524aa0116e32410636a810/sizofinedek.pdf
- http://progfin.pl/userfiles/file/39463011686.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d3662f41143---82007011535.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160929ca68c728---powex.pdf
- http://booklandbooks.com/userfiles/file/65084766897.pdf
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd61608a3ea---dekedotasomajutuped.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=paintball+business+plan+pdf
- 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_off0000cf08.bin4709741e71e6a0aacc86aced1116ed6496770c6805feb27a77e90c33f55a1936 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF08 | 10512 bytes |
font_01_sfnt_off0000e6d6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6D6 | 16792 bytes |
font_02_sfnt_off0000fee8.bin01caf04083c1af79aba9d72bf13128cda7c34197efdf7d520e1304d19f4aec11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE8 | 16012 bytes |
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