MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, indicating malicious intent. The ML classifier and ClamAV detection strongly suggest this is a phishing or malware distribution document. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed to host many links on disposable domains, likely to obscure malicious activity.
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 https://infrive.ru/uplcv?utm_term=nord+vpn+premium+mod+apk PDF link annotation
- http://suamanhinhlcd.net/userfiles/file/28696553287.pdfIn PDF document text
- https://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/finozifivulesijulawisa.pdfIn PDF document text
- http://axi-hohenstein.de/userfiles/file/kifubupozeparamipi.pdfIn PDF document text
- http://lafenicealcamo.it/userfiles/files/wagovabupo.pdfIn PDF document text
- http://darstin.com/userfiles/files/75676101987.pdfIn PDF document text
- https://lingchuanfloor.com/app/webroot/userfiles/files/81985054795.pdfIn PDF document text
- https://herfection.herfection.tw/upload/ckfinder_temp/files/20210904015029.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613594b048af5---8005123600.pdfIn PDF document text
- https://orangerun.re/photo/files/99119672001.pdfIn PDF document text
- https://cheeselicious.net/UserFiles/file/68664645073.pdfIn PDF document text
- https://harkakotony.hu/UserFiles/file/8432197863.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613904f94bc1b---52743993938.pdfIn PDF document text
- http://smingames.com/ckfinder/files/waravewezamevuduwevadu.pdfIn PDF document text
- https://cupanghitam.com/contents/files/61659873998.pdfIn PDF document text
- http://newtarrytowndeli.com/uploads/files/toramonulirarakutego.pdfIn PDF document text
- http://www.psoealora.es/ckfinder/userfiles/files/dutiruwe.pdfIn PDF document text
- https://ww150003.linebot.net/upfile/files/20210913043206.pdfIn PDF document text
- http://elpijisystem.com/file/9976058500.pdfIn PDF document text
- https://serihosting.com/calisma2/files/uploads/28284922408.pdfIn PDF document text
- https://jjcfurnituremaker.com/userfiles/files/zodipisimogotarigolu.pdfIn PDF document text
- https://studybrilliant.online/app/webroot/img/userfiles/file/potizope.pdfIn PDF document text
- http://karat-dobremiasto.pl/userfiles/file/puvinep.pdfIn PDF document text
- http://op-gold.com/ck_image/files/gevewelidoxodajel.pdfIn PDF document text
- https://fereshtegan.net/basefile/fereshtegannet/files/kuzujupelumowarolase.pdfIn PDF document text
- 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_off0000b43c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB43C | 16480 bytes |
SHA-256: 35e03bf98cf4888e417be15c7862321abd68dd89a08dec493c522486bfdf4c2c |
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font_01_sfnt_off0000dee7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEE7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f6fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6FE | 10476 bytes |
SHA-256: 7b9cf021ec6fc9bb4f0647360664d6bc2d8820193d11acee83fbf45dc795712b |
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