MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and is flagged by ML classifiers and ClamAV as malicious. It also exhibits characteristics of a link farm, with numerous external URIs pointing to various domains, suggesting an attempt to distribute further malicious content or conduct phishing. The primary function appears to be redirecting users to a network of sites hosting more PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://studiotipaldo.com/userfiles/files/44537412821.pdf In PDF document text
- https://kueapem.com/contents/files/18837015890.pdfIn PDF document text
- https://oxi-dental.ro/imagini_ws/31984261098.pdfIn PDF document text
- https://marikakozmetika.hu/editor_up/movawan.pdfIn PDF document text
- https://www.medicalbi.com/ckfinder/userfiles/files/zotononekaxisojibewo.pdfIn PDF document text
- http://boschvietnam.com/files/usersfiles/files/gozulokaxilegedinixideba.pdfIn PDF document text
- https://barcelonacentromedico.es/files/galeria/files/mojujudiruxufox.pdfIn PDF document text
- http://progettogeometra.it/userfiles/files/38379137321.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/vudikolavixonaveta.pdfIn PDF document text
- https://emons-verlag.com/testarea/cwsCMSlight/media/files/fevopesizofuzedeg.pdfIn PDF document text
- http://plymouth-logs.co.uk/ckfinder/userfiles/files/74100961335.pdfIn PDF document text
- https://faresaldabbous.com/uploads/file/19502154283.pdfIn PDF document text
- http://mprime.net/ckfinder/userfiles/files/31496390841.pdfIn PDF document text
- http://toeicspeaking.net/_UploadFile/Images/file/1718569521.pdfIn PDF document text
- http://chaputlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/35464533554.pdfIn PDF document text
- https://ssekolkata.com/ckfinder/userfiles/files/weroj.pdfIn PDF document text
- https://kolorubursztynu.kolorubursztynu.pl/web/uploads/files/24186335389.pdfIn PDF document text
- http://morpheus-architects.com/file_media/file_image/file/26654265376.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/bbbdfb5c2aa9a1248e6b1ce794e3db87/ramurajodimek.pdfIn PDF document text
- https://aayams.com/userfiles/file/xawozewegoxinewexogamow.pdfIn PDF document text
- https://ratosatu.com/contents/files/zitupexawa.pdfIn PDF document text
- http://tanabuauto.com/js/upload/files/63840128740.pdfIn PDF document text
- http://kocavietnam.com/upload/files/29304661948.pdfIn PDF document text
- https://deitratech.com/userfiles/file/zonawapoxutorunobadi.pdfIn PDF document text
- https://francemonde.news/UserFiles/file/sirure.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=ebook+pdf+download+sitesPDF link annotation
- 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_off0000b22d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB22D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA44 | 10692 bytes |
SHA-256: b64db460687a8477ca8b47b66ef31becfe8a8e181363163bee2a08975099d555 |
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font_02_sfnt_off0000e2c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2C3 | 16728 bytes |
SHA-256: 68889183f3d5de55597dc98f68bc6b660fa66137fe2fc504feb856393134e0f9 |
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