MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or redirecting users to malicious sites. The presence of numerous external URIs, many pointing to PDF files on various domains, suggests a link farm or phishing campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://radis-rrl.ru/userfiles/image/kisufetos.pdf In PDF document text
- https://astdubai.co/userfiles/files/28468839476.pdfIn PDF document text
- https://careerroots.net/ckfinder/userfiles/files/36136805124.pdfIn PDF document text
- http://nemeckystrakac.sk/editor_uploads/files/konokoxilolekupana.pdfIn PDF document text
- http://crmloccitanecr.com/campannas/file/foxik.pdfIn PDF document text
- http://puzynowska-kancelaria.com/userfiles/file/29596640057.pdfIn PDF document text
- http://vendsol.com/userfiles/file/15464827982.pdfIn PDF document text
- https://seeandhearbetter.ie/img/shop/contents/dovadexutorexanol.pdfIn PDF document text
- http://spartapr.com/images/upload/file/diwitexi.pdfIn PDF document text
- http://liavanhaeringen.nl/userfiles/files/xevodogidiwe.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16138e96b930cf---devotup.pdfIn PDF document text
- https://portecitadelle.portecitadelle.ca/ckfinder/userfiles/files/96007480554.pdfIn PDF document text
- http://lica.plovdivweek.com/js/ckfinder/userfiles/files/bolasapo.pdfIn PDF document text
- http://scandinavia-ex.com/images/blog/file/68196423137.pdfIn PDF document text
- https://metrosecuritynepal.com/assets/userfiles/files/pobedu.pdfIn PDF document text
- https://insinkerator.us/images/uploaded/file/13508349466.pdfIn PDF document text
- https://k-newsletter.com/ckupload/files/bubolajafuno.pdfIn PDF document text
- https://g4m3s-4p1-12s1.com/contents/files/gezepalijutezixizadexaga.pdfIn PDF document text
- http://arcos-eff.it/userfiles/files/57060784136.pdfIn PDF document text
- http://tyros-club.de/userfiles/file/7090759377.pdfIn PDF document text
- http://www.heksan.com.pl/file/51170467231.pdfIn PDF document text
- http://szcftz.com/upload/xavufimesenolabutubebubu.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132722567066---xuramawerama.pdfIn PDF document text
- http://dglytbt.com/upfolder/e/files/20210901050252.pdfIn PDF document text
- http://spartaksedlec.cz/spartaksedlec/userfiles/file/29153911970.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=sword+art+online+alicization+war+of+underworld+part+2+episode+21PDF 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_off0000da4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA4E | 17936 bytes |
SHA-256: 3871b159b2e5ded7eff46208a4b92f4291752826d3728965cd69819220cd8397 |
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font_01_sfnt_off000108ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000120e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120E1 | 11104 bytes |
SHA-256: 58bf698b2e744c257e3468928b955c1259a1b789a379dc71680cf2dfd68bd036 |
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