MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to numerous external URLs, many hosted on compromised CMS uploads, suggesting an attempt to distribute phishing content or malware. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the idea that these links are intended to drive traffic to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://garglob.ru/uplcv?utm_term=fun+android+games+2021
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143d8018b079---41235079634.pdf
- https://walnutcreekguide.com/wysiwygfiles/file/kekobunelumafalope.pdf
- https://floridainvestment.cz/files/file/50407474364.pdf
- https://brianhigbielaw.com/UserFiles/file/83803299986.pdf
- http://plkorea77.com/ckupload/files/69645639432.pdf
- https://glaskunstcentrum.nl/images/file/72138669583.pdf
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef45e0ae2c---fopufo.pdf
- http://agama-rc.com/upload/files/kagofogij.pdf
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/cf71d5ba0b758a6f2ecaccd517bc23b3/86236288220.pdf
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/s2kjokib01ud04ri8r8o47m8b5/borabulalopipulaf.pdf
- https://healthmatters.me/userfiles/file/48497387658.pdf
- https://8foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/57775116281.pdf
- https://techinnsrl.com/writable/public/userfiles/file/24396992981.pdf
- http://flairpens.ru/uploads/files/pokej.pdf
- http://fred-robin.com/ckfinder/userfiles/files/rabivarifilumapimozi.pdf
- http://mdsalon.ru/img/lib/file/81211863908.pdf
- https://ontogepszerviz.hu/editor_up/pizixasuma.pdf
- http://xatrbio.com/userfiles/file/wipefigavupuxowozini.pdf
- http://ebsenglish.net/_UploadFile/Images/file/telojuni.pdf
- https://haruhonpo.com/upload/haruhonpo/files/gawefozepaw.pdf
- https://locoffice.ru/userfiles/file/bukepuzim.pdf
- https://sieuviet.net/webroot/img/files/famiwatilakagonumonixak.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16137912310b23---rumememixilejupomuterewis.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/59bbc63181a9c6b6b3f7d02a0e1143a9/muwogixobedaguledufiriwok.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_off0000afea.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFEA | 16792 bytes |
font_01_sfnt_off0000c801.bin8decb00026b777cbf23420e8fd41723fe3294ca0c704ad778823676793b2ac42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC801 | 10816 bytes |
font_02_sfnt_off0000e0bf.bine94b99ab56d269cd4069f97d1a8b73335096372885f42dae34c3018f7f44b13b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0BF | 15988 bytes |
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