MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs pointing to link farms hosted on disposable domains, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://inwebjor.ru/uplcv?utm_term=one+night+promised+pdf+download
- http://quangcaosmsgiare.com/media/ftp/file/tikoxamobulabogafak.pdf
- http://altiro.nl/home/tjerk/file/56504911150.pdf
- https://widepolymers.com/userfiles/file/vukumuroti.pdf
- http://www.mediagrand.hu/data/editorfile/lawepibodebo.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16135812a0ffbc---rofopoxivos.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613f3bb9188ac---fulijanoseva.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614136f57bf73---lezuxevedededubijexevu.pdf
- http://hauptlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/64805039816.pdf
- https://etcbt.com/userfiles/file/nomeriribodovejigopidadi.pdf
- http://candleelectricals.com/uploaded_files/userfiles/files/sakorowipugafejapagapanuw.pdf
- https://hsiaoying.com/userfiles/file/60829605882.pdf
- https://fabriziochessa.it/userfiles/file/62180890106.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161336e5627aa5---36029270077.pdf
- http://luxcottage.ru/stroykamen/userfiles/file/wumefuruso.pdf
- http://syekp.gr/sites/default/files/file/tenorogojowar.pdf
- http://holdemigny.fr/ckfinder/userfiles/files/borosaj.pdf
- https://duvarkagidierzincan.com/userfiles/file/40849984948.pdf
- https://my-natural-style.net/upload/files/bofefutexa.pdf
- http://factory-01.com/js/upload/files/84882661310.pdf
- http://mcutech.net/files/pijinedonetejonetuxexa.pdf
- https://negaratoto.com/contents/files/rexamatinonuf.pdf
- http://webinaris.blog/ckfinder/userfiles/publics/files/pafajelimuwidibilekene.pdf
- http://salwex.hu/file/46768525093.pdf
- http://comitatoamiantovelodromo.org/userfiles/file/kafabasatebuluderowir.pdf
- http://locum-system.pl/userfiles/file/pitawoguzitipebuseloxone.pdf
- http://www.examnotice.in/uploads/files/54661203027.pdf
- http://opgzvh.hr/upload/file/12130651263.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_off0000c9aa.binc0d73660f0990788addd72b175813306cfb6853dfdae291b6d6ec9933e74c231 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9AA | 16612 bytes |
font_01_sfnt_off0000f481.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF481 | 16792 bytes |
font_02_sfnt_off00010c98.bindc31efa6717568cc9f6c407784c8de4d70424817794baf94dcf921f26dcffda4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C98 | 11056 bytes |
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