MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It functions as a link farm, directing users to numerous URLs hosted on potentially compromised or disposable domains. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings indicates a deliberate attempt to manipulate search results or host malicious content on compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9925
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://paklya.su/design/img/upload/file/gevilujupudo.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f84d9575d83---42107348937.pdf
- http://radio-salsa.com/php/rs/filesupload/file/90005225143.pdf
- http://gyuco.com/uploadfile/files/20210828_040302.pdf
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c4e2d9991---manozuzejivo.pdf
- http://bakoca.hu/files/file/10300433419.pdf
- http://market-oborudovanie.ru/upload/file/xijujetoriduxonig.pdf
- http://ecohort.com/userfiles/files/nijukedaparobe.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5570753249---rejiges.pdf
- https://dunakanyarfesto.hu/ckfinder/userfiles/files/64541866510.pdf
- http://montaze.org/democms/userfiles/file/tuvodumotixova.pdf
- http://cpspcb.com/uploads/files/24784416912.pdf
- http://rpsbchamber.org/editorData/file/67381653715.pdf
- http://eau-msu.ru/ckfinder/userfiles/files/fozebibewigamakejum.pdf
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/u7nkcoa3h8tvt2odiaadvsf9gn/83341186642.pdf
- http://28777886.com/Lpf/UPFILE/userfiles/files/66905023544.pdf
- http://go-pxl.com/uploads/files/66023744741.pdf
- https://aannemingsbedrijfbarthulsbosch.nl/userfiles/file/29791966289.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1606f64bb42c41---79537625017.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3d996bcd02---64377612958.pdf
- http://prunay-en-yvelines.fr/ckfinder/userfiles/files/vuxamifeferi.pdf
- http://abnicum.com/files/file/bataral.pdf
- http://sshs1962.info/clients/3/33/33dcd814b32da85629335a95ab3d0158/File/wamununakirojop.pdf
- http://livelyway.com/ckfinder/userfiles/files/3215059936.pdf
- http://bocghedanang.com/media/ftp/file/deguvul.pdf
- http://myrbacken.se/login/ckfinder/userfiles/files/tadoruwima.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=poe+abaxoth+the+end+of+all+that+is
- 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_off0000e1df.bin85366fbcb74acab39c6d0631c4d1f52c333b61d73ea889bb1c67891cf61f1a5b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1DF | 10596 bytes |
font_01_sfnt_off0000fa01.binc619919e1d2e1d499239bee3083eb8b80619cb5f8c14d87e4295f8b20d233f4b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA01 | 17984 bytes |
font_02_sfnt_off00012800.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12800 | 16792 bytes |
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