MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link farm hosted on compromised websites, directing users to download files. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics, along with numerous unknown reputation URLs, indicates a phishing or malware distribution attempt. The ML classifier and ClamAV detection further confirm the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://beergolfers.com./blog/images/file/lexofibaruguremi.pdf
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/5c9c114b069a5c5f39ad5653570a45c6/samoke.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e12b2cc607---62460502499.pdf
- http://www.kickcommerce.com/userfiles/file/fufotasokidugikeg.pdf
- http://ahcxdq.com/uploads/file/021123352928.pdf
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/c506bd1c5c8546f8e63179339df67433/25280047851.pdf
- http://qca.ch/userfiles/file/nawenoperagajoguwelopu.pdf
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160709cfc8b85a---13259526698.pdf
- https://kartplast.com/resimler/files/joteviboriz.pdf
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/do4hl1bt72jerqalupaj7vdakl/98198100498.pdf
- http://sam-global.ch/files/file/14537996565.pdf
- https://agrilaui.com/userfiles/file/mezag.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/716c519404bf0109c16b22963cf55b70/98410566476.pdf
- http://vencedor.coop/images/admin/file/22829271797.pdf
- http://lucann.com/Upload/file/dipena.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606c69e91310e---jufodevebedigajivogav.pdf
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608da765ee6c6---kojamevol.pdf
- http://yuhenganquan.com/userfiles/file/20210618041518_106426912.pdf
- http://k1a.ru/images/files/file/nemojexivujadi.pdf
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090660c48e16---72107037786.pdf
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/66f6cd9c736b6b8709269f59fc572870/matigexumisibunuxumuj.pdf
- http://cokhihoaiduc.com/uploads/files/92038195947.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=download+need+for+speed+most+wanted+for+pc+windows+10+full+version
- 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_off0000f60f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF60F | 16792 bytes |
font_01_sfnt_off00010e21.bin567f803b229a5944e3515b761f3e08580313030396899a9c754c7db71c941de3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E21 | 17056 bytes |
font_02_sfnt_off00013aac.binbcb10f79ab05ae56ed5f65ca46938eabea3cb4683ea3dc6b3cb3956ceb8d917a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AAC | 11208 bytes |
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