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 functions as a link farm, with numerous embedded URLs pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to redirect users to phishing sites or download further malware. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://espaciocultivarte.com/ckfinder/userfiles/files/vinesoju.pdf In PDF document text
- https://vresponse.net/userfiles/file/veveberuxubeg.pdfIn PDF document text
- http://yjccnc.com/upload/files/32644319087.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609bed07a356d---22673656923.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/1boc4thopjjl7lvv8pgiki04u2/36771822958.pdfIn PDF document text
- http://arniestribu.com/campannas/file/34276415561.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160712e2f48bcd---42146302099.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/ujo0ae0to4gbvca0q140k8of64/birovezapi.pdfIn PDF document text
- http://asustainable.com/global/file/29229994172.pdfIn PDF document text
- https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/40960157aeaa6908dc70d454eae59ec8/posimutaluvujaxum.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/mah4u78u3p8bjk0lv5o9ql0cn0/sunatirakugemebikefewojop.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160980878ea959---3587029923.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/544ebe4ecf9bd2bd61ac52b09a1fc332/20794130860.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae41a8280c---97301942356.pdfIn PDF document text
- http://billedbutikken.dk/articlefiles/file/57250425838.pdfIn PDF document text
- http://mmckno2010.zkosuchdol.info/files/lelogojizodalunufosiw.pdfIn PDF document text
- https://dialogueinpraxis.net/files/docs/62706051563.pdfIn PDF document text
- http://whewfamily.com/clients/12004/File/11864493773.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/2jklkdrd71049qj7ppvne4v3e5/gafutojirutonebogolo.pdfIn PDF document text
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/fba791b9128a50e2376587d99c7f515d/gerad.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7326804d13---josabozubolok.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/janopeju.pdfIn PDF document text
- http://xn--80age2amlc.xn--80adxhks/pics/images/file/61459420455.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/40acf847f8ac7b71a909d1934e536f73/pujumibeseje.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/7f0db9b9cbbcd060a4ae88ab4d6f5287/mitomudat.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=data+structures+assignment+solutionsPDF 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_off0000f70c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF70C | 16612 bytes |
SHA-256: d44b963f81de4e8520d4d1a6e3cf4cb9594abe2f803a50f983ad5f8e954f5292 |
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font_01_sfnt_off000121cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000139e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139E2 | 10676 bytes |
SHA-256: e5011178d77aa79f50444344d62240cd4f9930aa79279aa67afb55406c7f43e6 |
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