MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document was flagged by ML classifiers and ClamAV as malicious, with multiple heuristics indicating it functions as a link farm. Numerous external URLs are embedded within the document, suggesting a phishing or malware distribution attempt. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic and the sheer volume of distinct hosts point towards a coordinated effort to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
Heuristics 5
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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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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=ensemble+stars+apk PDF link annotation
- https://g55net.com/webpagebuilder/ckfinder/userfiles/files/78479739629.pdfIn PDF document text
- https://winstar-tools.com/UserFiles/editor/file/ratugotomu.pdfIn PDF document text
- http://talk200.com/admin/admin/uploadfiles/file/vemavavewumev.pdfIn PDF document text
- http://wsm.hk/images/files/wuwurojolowabisukoxasa.pdfIn PDF document text
- http://customize.fr/fckeditor/editor/filemanager/connectors/php/img/Editor/file/14253568671.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1614787cb49099---79932404570.pdfIn PDF document text
- https://safe-international.com/userfiles/file/fowijirerosedimij.pdfIn PDF document text
- https://dudikom.pl/userfiles/file/bawuwowevodetixof.pdfIn PDF document text
- https://diamond-marketing.cz/soubory/92180829395.pdfIn PDF document text
- http://nwatchonline.org/userfiles/file/9721744687.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149be26ef049---29776029851.pdfIn PDF document text
- https://2-view.org/home/view/public_html/ckfinder/userfiles/files/pukamigit.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/riziliwikowexolujavifemo.pdfIn PDF document text
- http://aaaexpressac.com/userfiles/file/10403471231.pdfIn PDF document text
- https://rcvizovice.cz/ckfinder/userfiles/files/77665893983.pdfIn PDF document text
- http://microsolder.hu/userfiles/files/75613425896.pdfIn PDF document text
- https://tonere.shop/app/webroot/files/userfiles/files/kegunegib.pdfIn PDF document text
- http://www.trisad.kz/ckfinder/userfiles/files/jifugifofizenur.pdfIn PDF document text
- http://dayuntang.com/assets/uploads/ckedit/files/20210908091521.pdfIn PDF document text
- http://biancoacolori.it/userfiles/files/98702017022.pdfIn PDF document text
- https://pcetravel.com/files/file/18600961802.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/xokabelamexorolosibutul.pdfIn PDF document text
- https://getadoc.in/ckfinder/userfiles/files/36337753623.pdfIn PDF document text
- https://shian-jin.com/UserFiles/files/98696426754.pdfIn PDF document text
- http://pamatudarbai.lt/ckfinder/userfiles/files/53216287205.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16143a2800be00---radakedewuwolo.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_off0000c990.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC990 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e1a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1A2 | 18184 bytes |
SHA-256: aab41a036829d1f86bb2b41a7b32276aa334cb02a850b9056af48881f1bb1f37 |
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font_02_sfnt_off00011100.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11100 | 10416 bytes |
SHA-256: aa2bccd29d7c11e16106b8cbc8cf23851eaed823c0a5a60c34a5c75e298df0d1 |
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