MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a link farm pointing to multiple compromised websites, likely intended to lure users into downloading further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The presence of numerous external URIs and compromised CMS upload links supports the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/db98666b26be4936e0fcfb1e152fec96/futezupame.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/eo7nb46367ac3jouq94dgc956b/diduzutotibi.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e11049c8092---11740304033.pdf
- https://myphambambi.com/webroot/img/files/jumijumexewo.pdf
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/or9kaelq0tb22g129btmrv42n6/jedalekazimip.pdf
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5cd8781be8b53c258b5df8b47e23f9af/niririvadewivazonowilobot.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a1a65c75dbf---91141614599.pdf
- http://lab4050.com/upload/editor/file/vulubibiwuni.pdf
- http://baschin-heizung.com/meineBilderAlbertGrundschule/file/19707692458.pdf
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/560b537526a71ca9ce35b98a68abfb62/4720586830.pdf
- http://calliopegoodrich.com/clients/73417/File/golosadenufaroroputa.pdf
- https://global-brand.net/userfiles/files/pilabedax.pdf
- http://batiment-tunisie.com/userfiles/file/pidolodokasolukarinu.pdf
- http://studiofapas.it/userfiles/files/19611911708.pdf
- http://vigova.vn/Images_upload/files/jobowoxazipekemazug.pdf
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1609022f5c525e---21770979345.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160873a02a164a---63207925114.pdf
- http://vendingchat.ru/uploads/ckfinder/files/tulesazutizokasa.pdf
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160919a0658c69---fubebavajadewubojejova.pdf
- http://kssi.ir/public/userfiles/file/93282521771.pdf
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/1ifqbp1acl1orhmrofncndrhg0/88363130232.pdf
- https://almondzwealth.com/administrator/imagetemp/file/81299366675.pdf
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc64d75ee8---46808030785.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=kovaak%27s+aim+trainer+for+free
- 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_off0000fd75.binbf2428f305cb95356ed9d98e291b2c3525560d5ca71cb781ebf64dce9b0e8bec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD75 | 10512 bytes |
font_01_sfnt_off0001157b.bin66a41d6ff8b45280fc6e5f522ac7d2fb9535690ee414f8ebd469e3597bfb3848 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1157B | 16960 bytes |
font_02_sfnt_off000141bf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141BF | 16792 bytes |
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