MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to numerous PDF files hosted on various domains, suggesting a phishing or malware distribution attempt. The presence of external URIs and link farm indicators points towards an attempt to redirect users to malicious content.
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://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1609afdc2854cd---76596197341.pdf
- http://krzeptowski.pl/file/68767844850.pdf
- https://freebcard.com/ckfinder/userfiles/files/66113690738.pdf
- http://www.pacautomarketing.com/file/ruzojididu.pdf
- https://fleschimmo.lu/userfiles/files/duvigamolamojomudebafof.pdf
- http://fabriziocar.it/userfiles/files/24694860287.pdf
- https://oklogistic.lv/upload/file/78697329720.pdf
- https://baxsporthorses.nl/userfiles/file/buzazalemavuvinajulex.pdf
- http://nordicaluminium.ru/userfiles/file/papisobesobugilanumu.pdf
- http://www.dr.schure.net/ckfinder/userfiles/files/66008929585.pdf
- http://tongkhomica.com/upload/files/60982092545.pdf
- http://maroba-zirndorf.de/file/zibed.pdf
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/165e92cff6e302bc9eca2c548aef3061/latigisimigozigu.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/9695378c66deead95c7342091049ea18/nifoniralavazazifakodem.pdf
- http://pro-group.ru/userfiles/file/xamiduwoxezovexapedufe.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16095ab33ac5d3---64775584899.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0332716d7---desawi.pdf
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/th8apsgn84gs8n6qd4m7n6l9g4/kavebu.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/9lpfmedjbgqdt0cka7p26jl8s6/tizilikuvofetawo.pdf
- http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/84339222823.pdf
- http://xecuoihuyhoang.com/uploads/userfiles/file/sojorativazol.pdf
- http://csc-020.com/userfiles/file/20210612182512_41dwdg.pdf
- http://thietbiotoviet.com/Images_upload/files/12825914611.pdf
- http://daimarconstrucciones.com/images/admin/file/89019455230.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=sinus+infection+double+vision
- 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_off0000db5a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB5A | 16792 bytes |
font_01_sfnt_off0000f371.bin863ca50d669d6806ed84fe9d0175ff750d4ea6d4f429e273b4d3d0e222796acc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF371 | 10588 bytes |
font_02_sfnt_off00010bb3.bin1ae48ca44c5616f3520a393ae96463e8c309c7e3c8547e772c56231e27b39807 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BB3 | 16024 bytes |
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