MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of external links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://catamma.ru/uplcv?utm_term=etymology+of+the+word+slave
- https://my-natural-style.net/upload/files/98691684816.pdf
- http://escalierdurire.fr/ckfinder/userfiles/files/25673062489.pdf
- http://findmealocalpainter.com/insurazon/admin/userfiles/file/tebemexufosa.pdf
- http://emotionpicturesfestival.gr/userfiles/file/31225543814.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c405f337f5e---30206766542.pdf
- https://eminencesolutions.in/resources/userfiles/file/14368479046.pdf
- http://absigorta.com/E/file/virigiwezag.pdf
- https://louvre.lv/res/wysiwyg/file/18244891015.pdf
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/3m84t6o26fbp0ofdna7pckvfi5/96733132512.pdf
- http://jhdjt.com/images/upload/File/93787849372.pdf
- https://canevastoilestjean.com/upload/editor/file/93247766163.pdf
- https://nazrabilisim.com/calisma2/files/uploads/80627969843.pdf
- https://majorsagilekvaros.hu/uploads/file/tepir.pdf
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/930d5d4d8759117bd9be349e6113fbfe/rodokuvoxobunizesebup.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079499e3d672---neregigo.pdf
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/1dd7900a2749c5e5a25bfe1f31cd2961/2573190670.pdf
- https://negaratoto.com/contents/files/24762112105.pdf
- https://2ruoteexpo.it/ckfinder/userfiles/files/lifuzijanipefiv.pdf
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607823a3a110f---matiso.pdf
- http://rapet.hu/files/xenovepasegewufovobafumaz.pdf
- http://lapenya.cat/imgjovesnaves/file/dapivurikolofarorukedi.pdf
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/c1344782ca75815008a764429ff1d466/36342319756.pdf
- https://amblamy.ee/upload/file/94769682063.pdf
- http://smartdeal.pl/files/upload/files/sujowararewenegulizoxos.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_off0000bd87.bin77e4bb53f9b98b024937836134a727d7265ac56a63dd9553d130ca2750b2aba4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD87 | 15048 bytes |
font_01_sfnt_off0000e384.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE384 | 16792 bytes |
font_02_sfnt_off0000fb9b.binc97bc8df52dd1cd30df1e38915410680cda272c1e57ed632dd242d72f4638173 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB9B | 10856 bytes |
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