MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, indicating an attempt to execute code within the document. It also features a link farm pointing to numerous external PDF files hosted on various domains, many of which appear to be compromised or disposable. This suggests the PDF is part of a campaign to redirect users to malicious content, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://thestarbusan.net/FileData/ckfinder/files/20210612_A310A7200EBD0FFF.pdf
- https://corumosmanlimakina.com/js/ckfinder/userfiles/files/resesitutixuzaz.pdf
- http://chipmax.in/chipmax/ckfinder/userfiles/files/18759420708.pdf
- http://capesociety.ca/uploads/files/86865313313.pdf
- http://feg.vn/uploads/files/razemufategidofu.pdf
- http://klimatyzacjaradom.pl/userfiles/file/wewipumapokimofa.pdf
- http://showpalmedical.com/userfiles/pusuvuwedowefitogiwedex.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf4d7b9119---fumodaxijakamaxawetoxax.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/c5bd8b7ec3a13f188a63772c9bbba0b2/80255109677.pdf
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/74b8d4b804070d84fc8b4def2d615e38/zotituliboput.pdf
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/9srlj9gt93h3uji9r0fbc8tosc/papexarazodazetur.pdf
- http://kpdb.org/userfiles/files/11099667825.pdf
- http://webatnet.de/ckfinder/userfiles/files/84805448472.pdf
- https://charlesstreetvideo.com/userfiles/file/jixoditozarakemop.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/5af4b6e781e70695bd3d1b43f013d0ee/93165749115.pdf
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/2llkrtjqj4g4t15sbru73noblo/julukez.pdf
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/05f16a70b615d85f50f8c28ccc53007c/timurirakaridujowesimave.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c648426c4b---45819502588.pdf
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160984e1e0b80c---1162821600.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/501da829c9c5f01bc89eae722a929a64/najeganigopetonanejafum.pdf
- http://honda-vo.com/upload/file/watabitubozugazun.pdf
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076bbf69b40e---74624824026.pdf
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/18fe5d79f07d2cff9e7cff3c9853121a/funelezofuzuwovolikenim.pdf
- https://666666.vn/upload/fck/file/kefuxolegunekagizevitux.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=cuantas+calorias+tiene+una+cucharada+de+avena
- 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_off0000ea1b.binafc5f68bb2f451bccd8fa87a9b9a6d41bf7fe7e0d4f9c3b3d4dafccafe2810d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA1B | 18208 bytes |
font_01_sfnt_off000118dc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118DC | 16792 bytes |
font_02_sfnt_off000130f3.bin664b15d807359bc716d2b8082b6e5c037879144870fceb85b6345a47267242ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130F3 | 10664 bytes |
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