MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The sample was flagged by a machine learning classifier and ClamAV as malicious. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document's content is designed to trick users into installing unwanted software, a common tactic for malware distribution or credential harvesting. The numerous embedded URLs, many pointing to PDF files on potentially disposable domains, suggest a link farm used for distributing malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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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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://progetec.org/userfiles/files/22550375968.pdf In PDF document text
- https://ijmscr.com/ckfinder/userfiles/files/xowane.pdfIn PDF document text
- http://reyazahmad.bscsaoner.in/ckfinder/userfiles/files/28698953703.pdfIn PDF document text
- http://ryukatsu.com/userData/board/file/vedisite.pdfIn PDF document text
- http://rgn2u.com/userfiles/files/jodukajevoxabeviturigo.pdfIn PDF document text
- https://certifiedcollisionrepair.com/home/cert/public_html/ckfinder/userfiles/files/96698988901.pdfIn PDF document text
- https://toppelletmachine.com/d/files/67970180425.pdfIn PDF document text
- https://bd-sokolovska.eu/userfiles/file/56648355589.pdfIn PDF document text
- http://gpba.ge/admin/ckeditor/ckfinder/userfiles/files/20918660223.pdfIn PDF document text
- http://ciccioinpentola.com/userfiles/files/rodisapovigunej.pdfIn PDF document text
- http://tivati.com/uploads/userfiles/file/pijup.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140916716a08---82504409237.pdfIn PDF document text
- https://ccskin.com/geektic/files/63826256344.pdfIn PDF document text
- http://tjsyjdq.com/v15/Upload/file/202197184635928.pdfIn PDF document text
- https://www.ventisilva.com.br/ckfinder/userfiles/files/gixiragapamagisegibuzuf.pdfIn PDF document text
- http://phyllisrubensteinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/japadalozolu.pdfIn PDF document text
- https://asiantms.com/ckfinder/userfiles/files/55568244797.pdfIn PDF document text
- https://clarkfamilybuilders.com/home/clark/public_html/ckfinder/userfiles/files/numawoxojijitadan.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/rajuz.pdfIn PDF document text
- http://premiumdrinks.eu/userfiles/2461435145.pdfIn PDF document text
- http://gagutp.com/sa_upload/userfiles/file/20210912004512.pdfIn PDF document text
- http://kuresi-kaitori.com/upload/content_pic/files/wufarajeme.pdfIn PDF document text
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/41qqo1158flksdek68759l7v3b/78612449243.pdfIn PDF document text
- http://stfurnimart.com/file_media/file_image/file/5758513059.pdfIn PDF document text
- http://appinaris.net/ckfinder/userfiles/publics/files/kuwage.pdfIn PDF document text
- https://nepalonetours.com/userfiles/files/3872258867.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=how+do+i+stop+getting+ads+on+my+androidPDF 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_off0000f04d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF04D | 17880 bytes |
SHA-256: 17d5aefb9fff86a791ce95bac176b806a29f8b38dc95d3764f88b88134748165 |
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font_01_sfnt_off00011e81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E81 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013698.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13698 | 10880 bytes |
SHA-256: 0ea61cbfba7505f4366fc46cfaab417d1ad76a087d2203b44cb53d281e4c700b |
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