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 it likely exploits PDF vulnerabilities. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and disposable domains, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms on potentially compromised infrastructure strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://influences-vegetales.eu/assets/Image//files/wituvonaned.pdf In PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/74b25e274ae24bf118305410948b35cd/xezikegugesogirisi.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160867fcbcb571---65215300891.pdfIn PDF document text
- https://ecableapp.com/FCKeditor/FCKimgUpload/file/dulabusi.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1763658048---74550140911.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/kelorasavonuvubiragav.pdfIn PDF document text
- https://tktravelkorea.com/FileData/ckfinder/files/20210805_08FBD7138D28562E.pdfIn PDF document text
- http://thomasgearon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/94592352221.pdfIn PDF document text
- http://shepardinteriordesign.com/rw/upload/file/sefudewogowoxenijiga.pdfIn PDF document text
- http://xn--om2b25zm6igqb.com/ckupload/files/mewajolozosal.pdfIn PDF document text
- https://organicfertilizerproduction.com/d/files/vajujof.pdfIn PDF document text
- https://kingwrapcarspa.com/upload/files/kejebixodaf.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/4c7ae62d4af8d7e9e6b342c6b7138137/97821877047.pdfIn PDF document text
- http://mulroyenvironmental.ie/userfiles/file/78878095855.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160844d22ec155---pisolowudafamorukurem.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/56a1da335062ebb12f6d3d5270911df9/nalalad.pdfIn PDF document text
- http://446888.top/userfiles/file/33614972648.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16086ce37f15cc---tujanowoxawimat.pdfIn PDF document text
- http://www.niziointerior.pl/upload/file/72974643663.pdfIn PDF document text
- http://monroehighwildcats.com/clients/40160/File/7237350675.pdfIn PDF document text
- http://prestopc.it/upload/file/fixepira.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/16089a8bf3ecf0---5095669382.pdfIn PDF document text
- http://supermarketdv.ru/files/file/labupunegefibeg.pdfIn PDF document text
- http://soepcentrale-dekeyser.be/userfiles/file/zefugedaruxev.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=one+function+of+chloroplastPDF 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_off0000c039.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC039 | 10700 bytes |
SHA-256: 6f810055fffb4cf8e98bae6a26dd6cbea09e1758f44e8e409e1b5ff80b89d1fa |
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font_01_sfnt_off0000d8ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8BA | 17092 bytes |
SHA-256: 214861021c44940ebe0a8f42f2f3668c847653df67ae53d7cfac435548f5169a |
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font_02_sfnt_off000104fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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