MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs pointing to compromised CMS upload directories and disposable hosting. These links likely lead to further malicious content or phishing pages, serving as a distribution mechanism for malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/1b76399d52cb8af576a4fd913a0a5013/62651066127.pdf
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d81937c5b---10075184860.pdf
- https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ac732ead022---62506339862.pdf
- http://dsagco.com/Upload/file/togudalamosunivogup.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fba90ef118---mikapipukejakizutato.pdf
- http://icltindia.in/userfiles/file/69495129287.pdf
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/amvam09tsrnlbngsiej70lf6sv/62339048118.pdf
- http://www.greenfield-sustainability.com/images/files/37684602227.pdf
- https://usdcp.jp/user_data/userfiles/files/66354772037.pdf
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbc7bac291---60918771940.pdf
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/2fd513ed56b58286b9b214e1a01f1713/35362635202.pdf
- http://upservice.expert/admin/ckfinder/userfiles/files/vurejanedejozinolofinozi.pdf
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/ji9j3k49conoiuq8f7811dgef3/mizevudadulitufaxuva.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7342a44d63---vufirejudezuxofogepafo.pdf
- http://bennett-legal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/32017638241.pdf
- https://debo-fit.be/userfiles/file///26755139584.pdf
- http://deurenhanger.nl/userfiles/file/norogutoweta.pdf
- https://www.bosingels.nl/ckfinder/userfiles/files/veram.pdf
- https://kermanrooz.com/img/files/29761033912.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/2889b9f74bd6c9283f5b2de83ff0e606/22290163990.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/73e031d203cd45e1e9c3abd87edfca26/72998503530.pdf
- http://fluellentrees.com/clients/58222/File/6583667705.pdf
- http://ugyvednok.hu/userfiles/file/46081244608.pdf
- http://robertfeinberglaw.com/images/edit_images/file/50855135109.pdf
- https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/4b4f248cf84c95647b314f5a9b013810/23484721118.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=what+are+some+interesting+last+names
- 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_off0000faaf.bind9e3e6f78531f90b5cab73f88fcbcad55a57a55c765e48768c9bfeaf9637f30e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAAF | 10548 bytes |
font_01_sfnt_off00011295.bin09e2245481d4223e4ac3d11dd46635ef32004e672e5ad87516eb97f54e17cc46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11295 | 18680 bytes |
font_02_sfnt_off00014255.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14255 | 16792 bytes |
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