MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous links pointing to various domains, many of which appear to be compromised CMS uploads or disposable hosting, suggesting a link farm or phishing lure. The presence of external URIs and link farm characteristics indicates an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://archism.ru/uplcv?utm_term=south+african+postal+codes+pdf
- http://bakoca.hu/files/file/44547664274.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/325537503a593314f68777206fa43c1b/27111995270.pdf
- https://audreyheselmans.com/_files/file/44759181792.pdf
- http://rld-carbon.ru/file/gojamopolunel.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc99d65f12f---gimibixoleke.pdf
- http://keacg.com/upload/files/99829435675.pdf
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/2dd21e5f548285f6b3077cfffad7ecb6/ganesojoguposefi.pdf
- http://studiotecnicoarduini.eu/userfiles/files/69233328564.pdf
- http://splogservice.ru/content/file/bolufunimagilategalenoto.pdf
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e3e80c6e71---vijepesefazodizazibube.pdf
- https://agroadvanced.com/app/webroot/newsletters/editor/files/23411917742.pdf
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/d047bb30a6c9e163fcdb2a9ebf58b4b8/83560189501.pdf
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/e49d79deb0ecc3b69d570e6d06330d89/3858622838.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce8582df26---kenefaxixe.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac2bcdcb888---62070163404.pdf
- http://antifftech.com/uploadfile/file///2021062608192873.pdf
- http://amandatravel.com/userfiles/file/fujugomubiwezitovuzosuta.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2cef3eb1ce---funoxek.pdf
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/b474e4e7685f4e9ce665ee06e4de6ebf/14072104638.pdf
- https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/86f443ed8a6b7a4fa03f6dda0fd61c12/zelanipawapobileju.pdf
- https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/51165904433.pdf
- http://fontanarosaserigrafia.it/userfiles/file/retalosapi.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/44aad2b07f77e9a2a94b89059363aeef/69249774955.pdf
- https://iwnta.com/userfiles/file/pawajupamages.pdf
- 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_off0000f031.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF031 | 16792 bytes |
font_01_sfnt_off00010843.binaccad3b77a9a6cdd114472c54d9cdcae24cf77475ef71f1c1113a8c07afedb4d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10843 | 17536 bytes |
font_02_sfnt_off00013629.bin40461c8c232143208a626a7c994486ebeef0ed9c9241aeb5f9d163ae6b57267d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13629 | 10892 bytes |
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