MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The file contains numerous URLs, many of which are hosted on compromised websites or disposable domains, suggesting it functions as a link farm to distribute further malicious content or phish users. The presence of embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly support this attack pattern.
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://irlanc.ru/uplcv?utm_term=farming+simulator+19+download+apk+android
- http://jedzenie365.pl/ckfinder/userfiles/files/bulujowime.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614211e9358c9---12117293466.pdf
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16146004098d70---pinowop.pdf
- http://tieulongcopro.com/luutru/files/24823626869.pdf
- http://villabrown.it/userfiles/files/kegejobavisunaganazoz.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614bb2c90313b---74377521629.pdf
- http://thomasgearon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/26000049695.pdf
- http://normel.org/files/upload/file/52301209898.pdf
- https://mai-avto.ru/upload_files/file/94522800691.pdf
- http://medicare-darmstadt.de/bilder/UserImages/file/14194253856.pdf
- http://jl-vacuum.com/upload/files/redinigofapumujes.pdf
- https://cargotavio.ru/files/file/97297995577.pdf
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2d219bc58---zefesopibiwew.pdf
- https://www.domaine-de-la-ferme.fr/ckfinder/userfiles/files/21519471973.pdf
- http://macro-e.com/app/webroot/userfiles/files/67332638599.pdf
- http://xn----8sbkebltdkywd.xn--p1ai/ckfinder/userfiles/files/57857697104.pdf
- http://khojedu.net/userfiles/file/82446230900.pdf
- http://2015.letnifestiwal.pl/ckfinder/userfiles/files/lalutegiri.pdf
- http://vasset.bg/userfiles/file/farajuwe.pdf
- https://rachelrom.com/rescontent/file/95006245476.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff142ee8f0---renefu.pdf
- https://distriparkbotlek.nl/userfiles/files/ninajopixukatib.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_off0000ee06.bin4260cd53d5516640ecfb133a38d945df61d2c4db8fbb39cf64c7d74f69ee186d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE06 | 17348 bytes |
font_01_sfnt_off00011b65.binff8957b4c54299cafa4bacf06cfbf676671cae9e82ae5da8b9f80c07ac805b4b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B65 | 11080 bytes |
font_02_sfnt_off00013515.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13515 | 16792 bytes |
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