MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many pointing to domains that appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery. The embedded JavaScript is a common method for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://parbatsamajjapan.com/img/files/files/47638865375.pdf In PDF document text
- https://icbacademy.com/upload/files/49984914801.pdfIn PDF document text
- http://ckm-machinery.com/userfiles/files/21753972404.pdfIn PDF document text
- http://www.prctech-th.com/ckfinder/userfiles/files/47137665050.pdfIn PDF document text
- https://vasutaszeneiskola.hu/ckfinder/userfiles/files/65162396297.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1614866a26bcd4---42869455982.pdfIn PDF document text
- http://tamtamphat.com/upload/files/46539389349.pdfIn PDF document text
- https://safarekhoob.ir/basefile/safarekhoobir/files/belivekivaxabuwubir.pdfIn PDF document text
- http://bayanairag.com/uploads/userfiles/files/bajujakelubatuloxamugise.pdfIn PDF document text
- http://sbairs.com/datas/files/64863419311.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16135989e89d36---78178243999.pdfIn PDF document text
- http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/vejol.pdfIn PDF document text
- http://pi-consulting.ch/download/sogarasarukovogoju.pdfIn PDF document text
- https://kltccompany.com/ckfinder/userfiles/files/61692236140.pdfIn PDF document text
- http://diagnosticaedilizia.com/userfiles/files/gegokuledolunixiri.pdfIn PDF document text
- http://kopdesign.nl/userfiles/file/zafol.pdfIn PDF document text
- http://sunrui-ti.com/d/files/patememarid.pdfIn PDF document text
- http://jagodkaprzedszkole.pl/userfiles/file/sakatir.pdfIn PDF document text
- http://www.llmhospital.com/www/js/ckfinder/userfiles/files/96114756238.pdfIn PDF document text
- https://tauthuy.vn/upload/files/60721068792.pdfIn PDF document text
- https://sieuthigo.vn/upload/ck/files/keleso.pdfIn PDF document text
- https://xedulichhaiphong.vn/images/news/files/61839963910.pdfIn PDF document text
- https://adasms.fr/userfiles/file/33248048744.pdfIn PDF document text
- http://fohow77.ru/upload/file/5633278272.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=small+story+pdfPDF 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_off0000bc9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC9D | 17152 bytes |
SHA-256: eb94693896989201c1e5c27f30c38b043c70a1e299654ca33ab95334f4a325e3 |
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font_01_sfnt_off0000e8bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000100d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D4 | 10520 bytes |
SHA-256: 0e18286e91b9c051557f4089e2da37441619db78149c2281ee6c2cea788ccac3 |
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