MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm with numerous URLs pointing to potentially compromised websites, suggesting an attempt to lure users to malicious content. The presence of external URIs and link farm heuristics indicates a phishing or redirection attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://benevolo.it/userfiles/files/37876721072.pdf In PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2005b7299---46181778074.pdfIn PDF document text
- http://shanghaicruiseparty.com/uploads/file/bodese.pdfIn PDF document text
- http://scvumaichiramen.com/uploads/files/35260899882.pdfIn PDF document text
- https://jmtours.co/aym_image/files/mukikizaxiwanadisilatuzu.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/dkm173ds9kn2sbct7q7rjmgrr2/xomowotamojuru.pdfIn PDF document text
- http://metapolar.hu/tmp/kepasok.pdfIn PDF document text
- https://xpress2.eu/ckfinder/userfiles/files/55318783078.pdfIn PDF document text
- http://thanhnienxp.com/vietkiendo/upload/file/21372116499.pdfIn PDF document text
- http://huijingweb.com/upload_fck/file/2021-9-3/20210903125112211908.pdfIn PDF document text
- http://www.terresdescaraibes.fr/file/sapaz.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16137aed1735f2---95688194516.pdfIn PDF document text
- http://grubstreet.ca/ckfinder/userfiles/files/79083524791.pdfIn PDF document text
- http://highdeal.linkeo.net/ckfinder/userfiles/files/55206301846.pdfIn PDF document text
- http://jrecchina.com/ckeditor/ckfinder/userfiles/files/21732174797.pdfIn PDF document text
- http://sriagasthiyarastro.com/FCKeditor/userfiles/file/6045026325.pdfIn PDF document text
- https://kakakmanis.com/contents/files/duxiloxadozonanabuvelapek.pdfIn PDF document text
- https://wendi101.com/userfiles/file/75559704035.pdfIn PDF document text
- https://vongtaytramhuong.vn/upload/files/47906970758.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613eec23cf3ff---99723121227.pdfIn PDF document text
- http://isotope3.pm-ural.com/uploads/files/maraguv.pdfIn PDF document text
- https://eagle-aviation.com/userfiles/files/65756812706.pdfIn PDF document text
- http://cukiernia-waltar.pl/qcms/userfiles/file/tulegagezi.pdfIn PDF document text
- https://taxforce.nl/userfiles/files/10311515573.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+download+full+service+game+in+androidPDF 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_off0000b6ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6EF | 11064 bytes |
SHA-256: b0d208fba6912c23625b5012d737bddcb1c1543c3176c253a4611c4568b75b72 |
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font_01_sfnt_off0000d082.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD082 | 15120 bytes |
SHA-256: 319b9196552885b7d694b78110ca2cd675046be6aa95e2350403588fadc5eab5 |
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font_02_sfnt_off0000f699.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF699 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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