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 viewers and delivering malicious content. The presence of numerous external URIs, many pointing to potentially disposable domains and linked to a 'link farm' heuristic, suggests a phishing or redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites or download further payloads.
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://moneymaker-gold.de/files/28701470114.pdf In PDF document text
- http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/96812940839.pdfIn PDF document text
- http://grimastone.ru/files/wijoxixuda.pdfIn PDF document text
- https://autopits-directo.migrupoq.com/ckfinder/userfiles/files/xowenu.pdfIn PDF document text
- https://mobisteelegypt.net/userfiles/file/21295493256.pdfIn PDF document text
- http://jn-zhsc.com/upload/bejubotatuse.pdfIn PDF document text
- https://phucatgarment.com.vn/ckfinder/userfiles/files/53264905838.pdfIn PDF document text
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/bbae191fe9d2a7dd21601db20066a0cd/99475148736.pdfIn PDF document text
- http://www.itidharamshala.in/images/uploads/files/zadus.pdfIn PDF document text
- https://tttinox.com/upload/userfiles/files/muwasilolevovitis.pdfIn PDF document text
- https://nacituran.com/userfiles/file/tamabokabum.pdfIn PDF document text
- http://morecoredesign.com/images/imageUps/files/46038568381.pdfIn PDF document text
- http://www.smartusb.info/images/library/File/42586245320.pdfIn PDF document text
- http://toshiteriyakiburien.com/uploads/files/89137202462.pdfIn PDF document text
- http://leoclubmarsala.it/userfiles/files/tejepuvebiso.pdfIn PDF document text
- http://wtmongolia.com/materials/file/winizutidetumove.pdfIn PDF document text
- http://mitsubishilongbien.vn/images/ckeditor/files/dikipuz.pdfIn PDF document text
- https://pvcmikser.com/upload/files/54057590092.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614b9dc924efb---4810668674.pdfIn PDF document text
- http://i-tos.com/userData/board/file/vudimaf.pdfIn PDF document text
- https://www.pharmawell.eu/ckfinder/userfiles/files/nibepi.pdfIn PDF document text
- http://dom-2000.ru/ckfinder/userfiles/files/49397779011.pdfIn PDF document text
- http://agama-rc.com/upload/files/77902215040.pdfIn PDF document text
- http://teplo76.ru/uploads/file/zifenezivumus.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=ptc+sites+without+investmentPDF 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_off0000b542.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB542 | 16132 bytes |
SHA-256: 6d232314907f3a0ef54a9b32ad61e4ab8d768267e9a04b5bdc01d1428f6e4434 |
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font_01_sfnt_off0000deb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEB1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f6c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6C8 | 10440 bytes |
SHA-256: 1bc494d9b195ee5d0171f684fdb773067cacd3a58a7615372fd62c775ebaf38b |
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