MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing and trojan delivery mechanism. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document likely prompts the user to install a fake browser update or extension, a common social-engineering tactic. While no scripts were directly extracted, the PDF structure and embedded URLs suggest it is designed to lead the user to download and execute a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/161402a2ed786d---ximijogixuwup.pdf In PDF document text
- http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/47006415111.pdfIn PDF document text
- http://idrogastermoclima.it/Utentifile/FCKPage/file/1515205327.pdfIn PDF document text
- http://kapsalonindex.nl/images/uploads/rejizabumij.pdfIn PDF document text
- http://vucert.vn/uploads/files/95404547981.pdfIn PDF document text
- http://azseal.net/uploads/userfiles/file/tozujadup.pdfIn PDF document text
- https://worldcastlive.com/userfiles/file/nofugi.pdfIn PDF document text
- http://marinapogon.pl/upload/file/nijazajanerebumuv.pdfIn PDF document text
- https://bluetact.com/locktactyuma/userfiles/file/mebigexat.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/q84qc2ch7e4c1rrl4k6hpelcte/5026393981.pdfIn PDF document text
- http://abpjseah.news-read.com/upload/files/simifasore.pdfIn PDF document text
- http://ap116.ru/userfiles/file/roruxez.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/96643914237.pdfIn PDF document text
- http://geo-equipe.it/userfiles/files/29095350732.pdfIn PDF document text
- http://chochosanencino.com/uploads/files/lopebo.pdfIn PDF document text
- http://gibisch.org/files/files/57557520686.pdfIn PDF document text
- https://vsetinrally.cz/userfiles/file/5649639991.pdfIn PDF document text
- http://jumpinfit.it/userfiles/files/likudexoxiwonelopiximus.pdfIn PDF document text
- https://samsungklima.net/upload/ckfinder/files/8363720663.pdfIn PDF document text
- https://buka.ru/sadm_files/putegafa.pdfIn PDF document text
- http://bike-aholic.com/UserFiles/file/nabefupamor.pdfIn PDF document text
- https://stancijanegrin.com/userfiles/file/40257975943.pdfIn PDF document text
- https://dcimx.com/files/36686214837.pdfIn PDF document text
- http://otevrel.eu/ckfinder/userfiles/files/guruloloburigirojevuje.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/25112522711.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=update+windows+8.1+to+10+freePDF 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_off00015645.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15645 | 10984 bytes |
SHA-256: 434898dac5c1ef503199867fdbcb9f3e1317f5b621ba261b0fa625c597b154ff |
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font_01_sfnt_off00017007.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17007 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00018819.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18819 | 18156 bytes |
SHA-256: f728922f3bb21f6a11c7a5630a2139358f782ef6c1985442a40429e68cc2c37a |
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