MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to numerous external URLs, many hosted on compromised CMS platforms or disposable domains. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings strongly suggests the document's purpose is to distribute malicious content or phish for credentials through these linked sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://archism.ru/uplcv?utm_term=quotes+from+alchemist+book
- https://hanmarklight.com/UploadFile/files/gisojuzi.pdf
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/hhf3ifl5ifsbaarmse4b4d3ihh/81971150413.pdf
- https://armagedonspedycja.pl/files/file/15486406146.pdf
- https://swagath.co/new/ckfinder/userfiles/files/dixofaziguxesorisafeluvep.pdf
- http://uralinteh.com/uploads/files/lonad.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/df4c5f512ea878f8cae7caea1e0d6b08/tatalixotofoxupa.pdf
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/469c2a637987178d239fbbca351b26ba/98301069230.pdf
- http://archimax.ch/dynamic-images/cms/file/lejej.pdf
- http://baigeleather.com/userfiles/file/37795814112.pdf
- https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609f35c673f97---pifovonofanakiguw.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3f7315327---47373158305.pdf
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/c503c216cdd99c9fa938b3442d7f956a/38058658108.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/64gckh6etkfke5httdnadoib4u/dijexuruvejavukabo.pdf
- http://infrabud.eu/fckpliki/file/noperuzixuvalatixone.pdf
- http://dogable.de/userfiles/file/28715769365.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b89787a0067---29458373851.pdf
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160821b078b972---39264053094.pdf
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff94286d3e---23835049435.pdf
- http://alliusie.com/userfiles/file/sebiketasodazesugival.pdf
- http://panteres.com/files/files/jagatoxonawuw.pdf
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16076f58030682---gajeleletipejirabofaz.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/193635aece16ebcfba87a88c90c547cb/pogevazezolalafurofifuraw.pdf
- http://botosani.ro/img/uploads/file/13462982574.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_off0000e1ea.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1EA | 16792 bytes |
font_01_sfnt_off0000f9fc.bin2bf9c2b71be1107686e2f43a28c1327a51b7913e5fd6dc04f2d31e97ed1ae744 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9FC | 17464 bytes |
font_02_sfnt_off000127d6.bind4ac99ce24f6cfe6af99e57b04a5c6d1f2cc46fcadb3d8ed94f7ba18100bbd61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127D6 | 10888 bytes |
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