MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The primary attack pattern involves directing users to these compromised sites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9a04ca18322bdcf45cb6920832d04dd5/81566406663.pdf
- http://big-blue-bus.com/pics/fotos/1/file/90040495843.pdf
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/ue9t3pv82opvi8954fl92n66i0/75922426440.pdf
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/16096b8e81ca93---52361072503.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/cc795abddea18c9adc2e14054441334e/xudijimazemek.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b29b74ed4dc---79291964691.pdf
- http://alexanderkanevskyartistbiography.com/clientMedia/file/jojutobusut.pdf
- https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/16098e7e935eec---43173467874.pdf
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/dd263f217118ff6d83bc5b0831f78a08/deveb.pdf
- http://alexlunacoach.com/img/editor/file/musalatob.pdf
- http://anhuifan.com/upload_fck/file/2021-5-1/20210501080957651653.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/71bc0bf52ed14e798ca439311120be6d/55685849924.pdf
- https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/25baec481de7b0e5d31f3149243ffbfc/merisifexakowumid.pdf
- http://php-lounge.de/userfiles/file/nodonixeduzupapa.pdf
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/d3df84737f4acf8c76d9eca63ef7d60b/liloju.pdf
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/lodl31a94e4002d2r7lhsihfi8/nirisudasoraxasazuzisulup.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/5e8739d923d2a28e7d01af59d74c45d5/janatewowukamuzojuli.pdf
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9518f5f8a4---seworewamixu.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a96632bab56---niwikujodamuludanuwuk.pdf
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/89e4b01196204f396d66ad84264e4096/94190911429.pdf
- http://aquatherm-graz.at/files/xakixo.pdf
- http://2sisaccount.com/userfiles/files/31368003776.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=716+country+code
- 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_off0000eb58.binf308317c4b100daf917c2472d0ff64c85a61fc54a8f29618c74adf8d04057e12 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB58 | 19044 bytes |
font_01_sfnt_off00011beb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BEB | 16792 bytes |
font_02_sfnt_off00013402.binc05e275f00682b59c7bafbc8683782fb824496fbe0b24d4305ccb0d1f7c4b8c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13402 | 10284 bytes |
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