MALICIOUS
134
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, indicating a high likelihood of malicious intent. It contains numerous embedded URLs and a heuristic firing for a 'download button' lure, suggesting it is designed to trick users into downloading further malicious content. The presence of external URIs and a link farm further supports a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://huntic.ru/uplcv?utm_term=castle+crush+apk+hack PDF link annotation
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3ca8b3038---terufoxojatu.pdfIn PDF document text
- http://oipipleszno.pl/userfiles/file/74082219449.pdfIn PDF document text
- http://kripasec.com/userfiles/file/xubevonosimoda.pdfIn PDF document text
- https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/64481477782.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a85ea11e2f---8922921143.pdfIn PDF document text
- https://i-try.tw/upfile/files/2021/09/16/rolazugemomidizuwuvogipum.pdfIn PDF document text
- https://totalsewa.com/userfiles/file/dixanujilava.pdfIn PDF document text
- https://floridagreatescape.com/media/file/35973516487.pdfIn PDF document text
- http://simkoongschool.com/uploads/editer/files/44667867485.pdfIn PDF document text
- https://www.educationsexuelle-ecole.ch/ck/ckfinder/userfiles/files/gagukegatanulabexisixamo.pdfIn PDF document text
- http://longarmacademy.net/fckeditor/userfiles/file/13640726142.pdfIn PDF document text
- http://htygroup.com/upload/files/luvomororosapukalijaba.pdfIn PDF document text
- http://hotelbellevuepalermo.com/userfiles/files/zanizatolativu.pdfIn PDF document text
- https://ctcitsupport.com/media/files/dakonepefase.pdfIn PDF document text
- https://webmakler.org/userfiles/file/62588136586.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-6/20210906053107640052.pdfIn PDF document text
- https://karatenarrewarren.com.au/ckfinder/userfiles/files/wikizepawojejeramoluwekis.pdfIn PDF document text
- https://macjiboter.macjahisa.si/files/file/jameretevapejika.pdfIn PDF document text
- http://sun-green.nl/ckfinder/userfiles/files/naxivogevokusewijati.pdfIn PDF document text
- http://synfarm.com/upload/files/vomureketipadijavexe.pdfIn PDF document text
- http://winkeleninzundert.nl/uploadimages/files/nasedefanasopipu.pdfIn PDF document text
- http://net-marketing.hu/images/files/pebem.pdfIn PDF document text
- http://abwhopewell.com/uploads/files/1864629037.pdfIn PDF document text
- http://studiotipaldo.com/userfiles/files/kakaxir.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/vonepidigapedadanojodexag.pdfIn PDF document text
- https://gtnet-engine.com/ckfinder/userfiles/files/842901856.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_off0000e714.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE714 | 10380 bytes |
SHA-256: b8ddbf0aa6778683c8061c004e375a2c81a1e18004b5c8f89a1931c1ce43723b |
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font_01_sfnt_off0000febc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEBC | 18192 bytes |
SHA-256: 74351ddd439803d8ae868c13f648e644d9233d8db731ae987511bd60b8af82c9 |
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font_02_sfnt_off00012de3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DE3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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