MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and multiple external URIs, indicating it is designed to redirect users. Heuristics identify it as a link farm on potentially compromised or disposable hosting, and ClamAV flags it as a phishing trojan. The ML classifier also strongly indicates maliciousness. The embedded JavaScript likely facilitates the redirection or exploits a vulnerability.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://academiesutherland.com/userfiles/file/44405685460.pdf
- http://mislenyiallatorvos.hu/userfiles/file/15426081494.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/161310b2ae2d69---bajosuniwemonedevid.pdf
- http://studiopol.com/userfiles/files/19172080071.pdf
- https://nothingbutsafetyglasses.com/userfiles/file/tejisu.pdf
- http://jikaramen.com/uploads/files/zewifufera.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/bc6f9e9964c1a64ae50d26c1f46de4b0/vupeluwodesawusovipebagus.pdf
- https://avflash.nl/upload/files/9517289791.pdf
- http://klimatyzacjaradom.pl/userfiles/file/sadawes.pdf
- http://pololanna.com/user_img/files/71432449345.pdf
- http://maternites-catholiques.org/ressource/site-image/files/xatategekivoxafa.pdf
- https://euronet.stonavka.cz/webpagebuilder/ckfinder/userfiles/files/96804352045.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/fef12e64e74e24bd64a1f589fd62629c/wesoditodamudube.pdf
- http://wernitznigg.at/files/42841895009.pdf
- http://nhactheducthammy.com/upload/files/64857737824.pdf
- https://webornate.com/viking1/uploads/files/lovob.pdf
- http://otohondamientay.com/upload/files/nudebesajejaguxanutej.pdf
- http://ventensis.lt/public/ckfinder/userfiles/files/nerepidojiberijijevon.pdf
- http://kurumakaitori-one.com/js/upload/files/22870117433.pdf
- https://gionggiacam.gagiongvitgiong.com/ckfinder/userfiles/files/fikinukokatowobawaguziduz.pdf
- https://hotararicedo.ro/files/files/3194503803.pdf
- http://zhengfutz.com/v15/Upload/file/202196830211036.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=viva+video+mod
- 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_off0000b818.bind417572507d30d583b885dff515a491768a68a9e6d18ae39efcd529d6eec5f68 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB818 | 9928 bytes |
font_01_sfnt_off0000ce04.bina164863af1b3badca1ae33c81d1820c6e5a2f1ccb856285aa338c2e48e21dc63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE04 | 20892 bytes |
font_02_sfnt_off0001020e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1020E | 16792 bytes |
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