MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites and disposable hosting, designed to trick users into downloading a malicious PDF. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a secondary payload or facilitate phishing. No scripts were extracted, but the structure suggests a lure for further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/dd40d9c52e5567b55a77cc39b468ee16/15901311276.pdf
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f8582e80cd---1867422136.pdf
- http://teplolux72.ru/upload/file/jevuvuporopavase.pdf
- http://bloomx.com/sites/all/sites/bloomx.com/files/datagofa.pdf
- http://firesecurity.sk/userfiles/file/rimebotejajabisex.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a22e3e2ba17---41936358760.pdf
- http://4bx.pl/public/file/98542846390.pdf
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/amm2rrvlb6nvmorfcupfnaq949/57536282906.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ab265a25d---13022847335.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/acbeeb8cf7f686d846289790e9b3593d/daxafufi.pdf
- http://aviteksural.ru/admin/ckfinder/userfiles/files/siwosavokojijibafaze.pdf
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/d00a5d8f52c8461de19e2b12b4a25026/82764404505.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1609a17d47a93a---lokiloge.pdf
- http://robalton.es/Albums/images/file///jupanapikujiwawu.pdf
- http://bassbasement.org/userfiles/file/fazezebalasalujigakufe.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607daec98a776---pufikidilitedesajezoz.pdf
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/aca7d8da8004f44131c498890b259962/7861012621.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082da9c9cffb---24942955662.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=baixar+whatsapp+plus+latest+version+for+android+devices
- 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_off0000e820.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE820 | 16792 bytes |
font_01_sfnt_off00010037.bin4d18f6c01a94349c576643c824a1df30009b0d54aef7c2b4165825aa5403d039 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10037 | 11124 bytes |
font_02_sfnt_off00011a3a.bin6fea3fb80b56e2970a583eaefed8aa320bc7c76af927c83f4c0b3e9243f4ba1d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A3A | 16996 bytes |
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