MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress upload directories, indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of multiple distinct hosts hosting PDF files suggests a coordinated effort to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 http://www.uniformsolutionsforyou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cee6c584f5---feliredinudinilog.pdf
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/gvf117js0e3eoav90n7sdmo4ot/35300484554.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee0fbd0e1c---vinunefik.pdf
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/bdn4lujb30h9d5s6sp9v13thj4/lefawosapiga.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa246a11f43---61314923518.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf02300953---monuwudotaj.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/6n03aqrc9dl6njdhdrqva1l9e3/rozitodujekexakevelo.pdf
- http://dunajecbiala.pl/upload/File/45253062422.pdf
- http://technoculture.cz/admin/upload/file/92185620887.pdf
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c9bc8ca14b6---mumixi.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b6b0329bd---67261651610.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/69889270806.pdf
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a4564a3e6---54708363833.pdf
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608319a0b71f7---wulivadokudugolekepejowa.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f57e8ef6c3---47725165087.pdf
- http://nutranghongngoc.com/media/ftp/file/3442521849.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=r+letter+names+for+boy+english
- 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_off0000e2a7.bin24129064d3e8a2b92ea07cf8f657037e63fb853c76b4e6f3051c8ed896a7d144 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2A7 | 16796 bytes |
font_01_sfnt_off00010e52.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E52 | 16792 bytes |
font_02_sfnt_off00012669.bindc1f619e2c457fbff0dc91a61d454322b7078a9d087ff66fc1023f287c02a963 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12669 | 10960 bytes |
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