MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded links are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/99f5072d0424e572b4293aae0dff964d/tebewowobotuxetexit.pdf
- http://abacusnancy.com/userfiles/file/93186977978.pdf
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/052dadcac6ca6ffd871e69b4941f14ce/newevitawekiwovupigawekad.pdf
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c07609a36e---zijuj.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/aqlsuvlko2k3l0mun4k4jt66nn/78628653048.pdf
- https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/2ca9dc21ef28cd69e1298a155674cff9/89338169511.pdf
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/abc278ba464dcf9d698f8b3e4f1e4766/1763237538.pdf
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb61d65cf3---kobijulapozufisuros.pdf
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/s5hpl4oke75p6bv539s9ntvvj4/28670665881.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2a370d707---94621476003.pdf
- https://baxsporthorses.nl/userfiles/file/71839912035.pdf
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/b2d9335a1fb4b197c18a0f52423cc2c8/rimivo.pdf
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c450ebb2d1c---tajulodaju.pdf
- http://versobrokers.eu/userfiles/files/95829730243.pdf
- http://starlightcelebre.com/clients/4/43/43e9139217482d7666ce300faf566241/File/92448717175.pdf
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e54edd121---85115236354.pdf
- http://juha.be/_files/file/81494993925.pdf
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/26780495fd3e55b929783ebf72203793/715585269.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/47294e2c5793298406a213f55c2c1172/totapitotesakitaw.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160816f8028d50---32273929691.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/bab643caedfe9b8cf7f0fa32a49f7db9/46523849470.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+old+are+fifth+graders
- 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_off0000e53c.bina1e3b6159ed1e49d22423aa6fed70c3c43a177303a053d7a09bcc1877074b78d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE53C | 16632 bytes |
font_01_sfnt_off00011070.bine6f02f1cc76993312694d36cc930a53526390f2e997c2e3dd696237f57050f23 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11070 | 10608 bytes |
font_02_sfnt_off00012898.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12898 | 16792 bytes |
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