MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a high number of external URIs, many of which are part of a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware via the numerous embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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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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://drafthe.ru/uplcv?utm_term=parametric+equation+of+hypocycloid PDF link annotation
- https://marlschuz.com/userfiles/files/guvunuzigejosezomam.pdfIn PDF document text
- https://smg.bid/ckfinder_userfiles/files/18188979464.pdfIn PDF document text
- http://graciaindoutama.com/kingkong/userfiles/files/xitevegimutozubosa.pdfIn PDF document text
- https://wodepcb.cn/uploadfiles/files/11125563489.pdfIn PDF document text
- http://esipro.be/userfiles/file/51759778638.pdfIn PDF document text
- http://tlxzkj.com/uploads/file/231916232088.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/e4550d8fdd634ae767b32d8b15d98a7c/timenomotubowezulorep.pdfIn PDF document text
- https://medpressa.ru/files/file/63018392937.pdfIn PDF document text
- https://dhins.com/testingsites/advantage_aviation/assets/media/file/87190382406.pdfIn PDF document text
- http://80tner.friend-match.com/upload/files/gewifam.pdfIn PDF document text
- http://internet-trade.cz/UserFiles/file/70336416413.pdfIn PDF document text
- https://playworkspartnership.ca/sites/default/files/file/21255624553.pdfIn PDF document text
- https://gentrilieu.vn/userfiles/file/24925517767.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/9qugeji9um3aq987qd8arkgd40k924d8/turapuzeraji.pdfIn PDF document text
- http://juicy-group.com/editor_upload_image/file/lamixanedo.pdfIn PDF document text
- http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/pojegil.pdfIn PDF document text
- http://koovappadyscb.com/ckfinder/userfiles/files/24616661735.pdfIn PDF document text
- http://medizator.ru/ckfinder/userfiles/files/mikeketegiruvojojiwaxidal.pdfIn PDF document text
- http://tentimesneedlehill.com/UPFILE/userfiles/files/96509064356.pdfIn PDF document text
- http://tpdw.pl/userfiles/file/9770820896.pdfIn PDF document text
- http://tizianaiberti.it/userfiles/files/sufigubibolujenemi.pdfIn PDF document text
- https://safetyhanoi.com/userfiles/file/lamogemidusukuzinowovak.pdfIn PDF document text
- https://beldapin.com/calisma2/files/uploads/79819246736.pdfIn PDF document text
- http://skogsformedling.se/bilder_umeny/File/70609658746.pdfIn PDF document text
- http://liubeauty.com/luutru/files/67826896208.pdfIn PDF document text
- https://anukulagrotech.com/userfiles/file/86052014544.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010aaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AAA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000122c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122C1 | 11080 bytes |
SHA-256: 3e8ba9d663eb9a0af5fca5bfd098d8e6e43375bae7285d4881b2f534e95508d4 |
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font_02_sfnt_off00013c2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C2C | 18960 bytes |
SHA-256: 8f75c4a2e93f9557c81be42c5c0e1b698e9681dfb46b63c9d667efe799b93e5e |
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