MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to other PDFs hosted on compromised websites, indicating a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' confirm this behavior. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a614dd29c2e---61736051350.pdf
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608471a8141b0---55456097206.pdf
- http://aaaexpressac.com/userfiles/file/zerotexolosomef.pdf
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/462bf6e1b73671a971a3157a93463113/genebugizomemifafasuwaniz.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/0e9ef2b2179f96c67a26e5407e17cc96/28677321153.pdf
- http://eurekaelearning.com/upload/news/file/71504514504.pdf
- https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/0dbb384eed0aae59d82afa477271936d/mugexixarimorotibunupowur.pdf
- https://tortugafilms.ca/adminfiles/file/67855648335.pdf
- http://lordbeaverbrook1973.com/clients/76835/File/1953100072.pdf
- http://didocrosby.com/imagenes/file/rifafufuzimorarugadoxazaf.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/t0eht1b7mrdptilh9l259ahj92/20047058760.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16093e0b190842---juwezepuropid.pdf
- http://lueckerreunion2020.com/clients/e/eb/eba09433058400eda594a485f9004317/File/27135746256.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1606f914516e6a---vipitejuxadokilariweta.pdf
- http://akicgiyim.com/userfiles/file/nimafosewaxete.pdf
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/52f342877ce918ff4d95a043aabd1fbe/96909158626.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608496dfa16dd---gusenekenuxigebilexugu.pdf
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb2afbf030---lanumipapober.pdf
- https://edu-mate.kr/_UploadFile/Images/file/jotedijunanofakuna.pdf
- http://agcslohian.com/userfiles/file/60913563447.pdf
- http://mvclassof1990.com/clients/8/8c/8ca0ba2c7a07c5cd1f21f9fc323c16c5/File/jaluzomekediponotazomova.pdf
- http://texmet.pl/userimages/file/masut.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608450c5a6efc---pololirisu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=red+hair+to+blonde+ombre
- 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_off0000fba1.bin3af561cd05e8b7a217101095e594d0e34da439360978e4b40634818a2b5928f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA1 | 10528 bytes |
font_01_sfnt_off00011357.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11357 | 16792 bytes |
font_02_sfnt_off00012b69.bin1d8b24b2db6c4d61f61dce463a36ec097fc085e92b688a026475aa041837e3f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B69 | 19536 bytes |
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