MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It functions as a link farm, with numerous URLs pointing to compromised WordPress sites, likely serving as a distribution point for phishing content or further malware. The presence of multiple links on disposable hosting and compromised CMS uploads reinforces its malicious intent.
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://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/f1f0b4ef293ce50bd03a85c46fd60817/38979131330.pdf
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c908d1c53e---mewifutatedifekos.pdf
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/9b5ec16db3aecc729d453d63b263326d/50785669241.pdf
- http://esrafisek.com/images_upload/files/33623475894.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/42bf35eb2dca5dc27159267619814372/88944752552.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160af674496400---riduzozijuzumibazonukabuk.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072cee9aa319---13517437351.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/96e63bcaa02557f91ef2e9335851f67f/gepodokafalokamijalovif.pdf
- http://nuitsdartistes.eu/images/file/rawijowozixutuk.pdf
- https://arichaindia.com/userfiles/file/wumizodisija.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/b5b30efe91997ede891ae3051723710e/ditigokeser.pdf
- http://fratellilongoni.com/userfiles/files/45355856349.pdf
- http://spoilersmensgolfclub.com/clients/865201/File/jolimokinularixosun.pdf
- https://seeandhearbetter.ie/img/shop//contents/kedutam.pdf
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1608161ffa058c---sesezopifaf.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/31b64131c510ecdd2f0eca95517c8f4c/7843682950.pdf
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16074fb2296c75---13845169289.pdf
- https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/19b55fe24e4f0536ca09fa1e5585580d/28885179015.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9fe608b28---nasuwoni.pdf
- https://comobrew.com/newsite/images/user_uploads/file/29683950352.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ce7bd2717d4---18077098164.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ba52f232a13---12266758032.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/490075075a251294eef2de854e7dae33/71935433460.pdf
- http://maasmartcity.com/userfiles/file/28079865085.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=adenomyosis+and+fibroids
- 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_off0000efb4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB4 | 16792 bytes |
font_01_sfnt_off000107cb.bin40bf9fd882c68bba1ccf904f10636171e894e9631eedaa92ff56cc340b85ca7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107CB | 10604 bytes |
font_02_sfnt_off00012009.binb8f7d9b040786d22736efd8172c2728ec5a0dcb6e33db699659de22dc132f4c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12009 | 16364 bytes |
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