MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The file also exhibits characteristics of a link farm, with numerous URLs pointing to potentially compromised or disposable hosting sites. These elements, combined with ClamAV detection and ML classification, strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://birotex.rs/images/files/2650835409.pdf In PDF document text
- http://jtour.vn/userfiles/file/vopipozafogenadase.pdfIn PDF document text
- http://cuacuongiare.vn/upload/files/wiwuvob.pdfIn PDF document text
- http://abwgulfport.com/uploads/files/17439185246.pdfIn PDF document text
- http://jjburgerut.com/uploads/files/11188680228.pdfIn PDF document text
- https://reparation-mobile.net/userfiles/file/71697465632.pdfIn PDF document text
- http://nepodoshlo.kz/ckfinder/userfiles/files/tulaluwunidonimitoramu.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/7814ncgbtqngck0u7satt0tqj3/govedetuvopakekejapod.pdfIn PDF document text
- https://heritran.vn/uploads/news_file/mitudar.pdfIn PDF document text
- http://373113.linker.tw/files/6947759119.pdfIn PDF document text
- http://sanarina-coaching.de/ckfinder/userfiles/files/368515986.pdfIn PDF document text
- http://lemma-studio.pl/userfiles/file/56168287630.pdfIn PDF document text
- http://glamour-nsk.ru/ckfinder/userfiles/files/vajuxijekenimitum.pdfIn PDF document text
- http://tsg-edinstvo.ru/userfiles/file/54211815029.pdfIn PDF document text
- http://danchrisjewelry.com/userfiles/file/mibimuduf.pdfIn PDF document text
- http://ctmmaximoravenna.com/ckfinder/userfiles/files/76832203414.pdfIn PDF document text
- http://japhina.com/upload/file/79447790673.pdfIn PDF document text
- https://unicorn.mn/js/ckfinder/userfiles/files/dinowexafow.pdfIn PDF document text
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/ao38jcnio496vk896g6c5j0n1j/vowiwexuv.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1613b09371cba3---rinenitojitirokorajigugiv.pdfIn PDF document text
- http://tanabuauto.com/js/upload/files/nepexawatujesivasunaz.pdfIn PDF document text
- http://aloeverajuice.cz/files/file/gapodaripedebekipajevupa.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=movie+five+app+download+for+android+freePDF 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_off0000b4e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4E8 | 10368 bytes |
SHA-256: a25da087d73bafae3d4d729ca151a7a1a295db19a7f00126bce06ae933e02834 |
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font_01_sfnt_off0000cc75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC75 | 16736 bytes |
SHA-256: a9be6d0227b43cca0a72608ca207659c4b0bca6430b60642aa71881714899d55 |
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font_02_sfnt_off0000f764.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF764 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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