MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users. The primary attack pattern involves leveraging these links to deliver a secondary payload or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a59b0bb6c8a---49614275596.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16120610683fb0---74132608632.pdf
- http://wami.cc/data/files/murapikesusek.pdf
- https://expobar.vn/app/webroot/files/images/pages/files/61593267282.pdf
- http://clinicaveterinariabilancino.it/userfiles/files/56334113255.pdf
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/5853a7da17b1d553609a39f49a7e14db/lozegilitow.pdf
- https://alohasafaris.com/files/42953901412.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bb12a737944---85821889216.pdf
- http://risme.vn/files/47441336826.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/63967tl7j4gvpamhuipl39mg15/bigugedajadenelabakumukad.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160e6177974416---51704292388.pdf
- http://infinivideo.hu/sites/infinivideo/files/xitegokigomamofedufuxam.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2404d34e44---22195003235.pdf
- http://mt-filtration.com/uploaded/file/191630122060cdcbe9e9a3d.pdf
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/0de7cba9d44d9132021fb492fc2ffae7/liluza.pdf
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3c22b44574---40135885260.pdf
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/514493d0c9fa02b93a98afca6d9a9d1e/temevupeki.pdf
- http://kopdesign.nl/userfiles/file/83270216790.pdf
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc62cd53683---tabegajozagedutugizenis.pdf
- https://faresaldabbous.com/uploads/files/38239671021.pdf
- http://immodraft.nrw/images/architekten_agentur_images_/file/8270776584.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b97022180e5---20602558292.pdf
- https://www.vasutaszeneiskola.hu/ckfinder/userfiles/files/pifawanidokixikov.pdf
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095c57f8078f---19912608628.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=mecanismos+resistencia+bacteriana+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_off0000ce18.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE18 | 16792 bytes |
font_01_sfnt_off0000e62f.bin8fedc1b66b2a098325d20224299114ec08faad22e771f956787e1d02b791c397 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE62F | 10868 bytes |
font_02_sfnt_off0000ff0f.bin6f5aca558834762fda1b79a38010206be2223492945061fa01dc396d6efe7c30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF0F | 16740 bytes |
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