MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The presence of embedded URLs and the overall structure suggest a phishing or malware distribution attempt.
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://bhavalaya.org/ckfinder/userfiles/files/wulumapifamepoxawevuke.pdf
- http://przedszkolenisko.pl/userfiles/file/4902950837.pdf
- http://medica-eg.com/userfiles/file/kutifopuwuret.pdf
- http://alacartedesign.de/userfiles/file/jezidoxoruxixasimowerur.pdf
- http://hanabi-la.com/uploads/files/62462145105.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/1852f5c0f4a06204bf13595b650ab975/4691243326.pdf
- https://china-glass-mosaic.vegner.com/userfiles/files/20210903_052331.pdf
- https://institut-arabe.org/ckfinder/userfiles/files/65927169949.pdf
- http://noithatdangcap.vn/app/webroot/uploads/files/dotidopug.pdf
- https://interference.ajoda.eu/userfiles/files/78734337311.pdf
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/77b3ee946b0e0b4d3c2eacfe21f01d12/gemat.pdf
- http://sevvalturizm.com/rsm/files/pinarinova.pdf
- http://sanchariglobal.com/userfiles/file/nitipigusazivetadafudugev.pdf
- https://tradegateindia.com/userfiles/file/59697599704.pdf
- http://www.videocopilot.net/assets/public/ckfinder/userfiles/files/xalatomanatawufi.pdf
- https://jooli.ru/ckfinder/userfiles/files/lelugujufow.pdf
- http://mh-gartengestaltung.de/userfiles/file/103249794.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16140828bcbf5e---roluzulimeveduro.pdf
- http://szzxwx.com/Upload/Upload/file/20219675701608.pdf
- http://www.serenissimaservizi.com/files/vafujitikugonejojemekere.pdf
- http://obras.ru/sites/default/files/uploads/nonalaximej.pdf
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea30e0fed7---91038094998.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/b8db465a9ffbf2dabb6aeccb764198c8/58510108953.pdf
- http://kientrucnhacuagio.com/upload/files/10134837125.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=solutions+intermediate+student+book+3rd+edition+pdf+key
- 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_off0000b9be.bin5616e5eec7cdb4cb97c61a3e5c70f933d76ec40adc12d807c933061fae857ba0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9BE | 18460 bytes |
font_01_sfnt_off0000e94d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE94D | 16792 bytes |
font_02_sfnt_off00010164.bin827f19d715f2c7c788601ccd646b31efa82b9c76d995d9be7b8924ac84448656 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10164 | 11352 bytes |
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