MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, with one heuristic specifically identifying it as a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or SEO poisoning by directing users to a network of potentially harmful PDF documents. No scripts were extracted, but the PDF structure itself is indicative of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9803
Heuristics 5
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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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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://vswet.ru/f/sumiravunivuxegim.pdf In PDF document text
- https://dom4m.de/userfiles/files/31783184570.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/17311895404.pdfIn PDF document text
- https://sarna-zapiekanki.pl/ckfinder/userfiles/files/27983705715.pdfIn PDF document text
- http://abogadosaguilar.com/ckfinder/userfiles/files/39149842601.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/vigogeviwotewilozalula.pdfIn PDF document text
- http://farmaciafici.com/userfiles/files/56514785521.pdfIn PDF document text
- http://automotiveenergy.cz/userfiles/file/mariwasusirimatolujudafa.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136f36360f8c---lamufovor.pdfIn PDF document text
- http://thegioidahoacuong.com/uploads/image/files/madebuzatogijudukus.pdfIn PDF document text
- http://bestbelly.org/content/files/files/wozigagareta.pdfIn PDF document text
- http://quick-thailand.com/images/uploads/file/wivegulotafeve.pdfIn PDF document text
- http://ageofwonders.buka.ru/sadm_files/wamelijunaboxi.pdfIn PDF document text
- http://nbnjl.com/userfiles/files/sewesizumati.pdfIn PDF document text
- https://rentcar888.com/uploads/files/202109020552487145.pdfIn PDF document text
- http://gopherandsquirrelcontrol.com/admin/images/file/tubonaturaxapaberarosomo.pdfIn PDF document text
- http://akpanlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/juzitifumi.pdfIn PDF document text
- http://piazzademarini3ge.com/userfiles/files/zawuzis.pdfIn PDF document text
- https://cosplay-expo.it/ckfinder/userfiles/files/57273589731.pdfIn PDF document text
- http://fabiocaronearchitetto.com/userfiles/files/ganakejetubovavizik.pdfIn PDF document text
- https://mytshirtcreator.com/app/webroot/files/file/notada.pdfIn PDF document text
- http://multiflex.ru/userfiles/file/83233526796.pdfIn PDF document text
- http://fasson.vip/images/editor/files/senixazamenijinaxuzovaj.pdfIn PDF document text
- https://ncvpte.in/userfiles/file/69011325057.pdfIn PDF document text
- https://www.adoz.cz/ckfinder/userfiles/files/63746071117.pdfIn PDF document text
- http://xn----otbbfbbknchz.xn--p1ai/sadm_files/18791845189.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=highest+incarceration+rates+in+the+worldPDF 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_off00012477.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12477 | 10724 bytes |
SHA-256: 5a5f8d29583ce2b0f33516f2d0d940f1e671d8dbf9d971a0b308363b3444cd99 |
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font_01_sfnt_off00013cdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CDD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000154ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x154EF | 18660 bytes |
SHA-256: e6db881364260736d324480c2363090159d9257bd0049bac63300a8c921b7196 |
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