MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to lure users to potentially malicious destinations. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
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://cructi.ru/uplcv?utm_term=what+is+the+difference+between+an+observational+study+and+experiment
- http://jubileejec.com/userfiles/files/59990859268.pdf
- https://sayurhijau.com/contents//files/futog.pdf
- http://sammyuriasproperties.com/userfiles/files/69024024645.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/567721408a901d5d8ef4541118893471/sogatobijes.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/76hta28bve5228c6efagqeau83/45060887057.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c96a26362cd---renujizasotibudu.pdf
- http://olversonfamilyreunion.org/clients/5/51/51a48c89da211807e19ed56f8a1a1822/File/gipeg.pdf
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/0b2rebcdu6ohlg1alqs9gorf0d/savasuximipudanonubep.pdf
- http://premium-h.info/files/files/xenokofedavo.pdf
- http://boldogelet.hu/media/pixirijabelez.pdf
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/1c459e7a02fd3e55c15937dcaebba4de/natixofubegirekowuwojamam.pdf
- http://georgekoldun.com/var/upload/file/jixolutiwuf.pdf
- http://aep-tc.com/cache/fck_files/file/janeniwafegef.pdf
- http://sport-way.ru/img/file/14169864966.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b75b170a95b---18770596792.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff7269f8a6---11503715277.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/d1458f7fd4b5cce29820640fbe078f38/28929194583.pdf
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/8aa61cf52042f4059c09616c6c6252ea/73947441432.pdf
- http://www.mearesandassociatesllc.com/siteuploads/editorimg/file/parinixevotukapufupiwemu.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f58f1b9505---jazujebusetuv.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/iia5rm7mor50km3d0u7vm3gbv5/gunojiv.pdf
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/50d86fe292de0cd0887a2fa694077496/21977464934.pdf
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/7927705837.pdf
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/9u479l4vgit6fc1rh57sfhftoj/30680144261.pdf
- 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_off0000e7ad.binc6837ffa0f381bc1b2b6531e2e3c4dd4aa7417f7efae20755f78e2aea367f555 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7AD | 18848 bytes |
font_01_sfnt_off0001171e.binfd237f799d1fd28b961dcdf73b4d2f280811526da6321323f5df079e99db55e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1171E | 11488 bytes |
font_02_sfnt_off000131fb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131FB | 16792 bytes |
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