MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as a malicious PDF by ML classifiers and ClamAV. It contains numerous embedded URLs, many pointing to PDF files on various domains, suggesting a link farm or redirection scheme. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a high number of distinct hosts with few links per host, characteristic of phishing or malware distribution sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://insureavisitor.com/userfiles/file/87586218653.pdf In PDF document text
- http://dreamsurgerycn.com/ckupload/files/katavera.pdfIn PDF document text
- https://tomorrowhubs.com/upload/users/files/99934559377.pdfIn PDF document text
- http://uzmansporzeminkaplama.com/resimler/files/wenajib.pdfIn PDF document text
- http://group-anons.ru/userfiles/files/gekudizurusep.pdfIn PDF document text
- http://saopauloairporttransfers.com/ckfinder/userfiles/files/34293317075.pdfIn PDF document text
- https://psychologgia.pl/Upload/file/94758045461.pdfIn PDF document text
- https://srccaa.bdbabymart.com/app/webroot/ckfinder/userfiles/files/dezogapez.pdfIn PDF document text
- http://farashimirooz.com/files/48997809089.pdfIn PDF document text
- http://birizgardenhotel.com/userfiles/file/dijolafibe.pdfIn PDF document text
- http://atsolution.org/userfiles/file/20210909072153683758545.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/161337088937b2---dusuburikagedosinulaxobow.pdfIn PDF document text
- https://rcvizovice.cz/ckfinder/userfiles/files/safokogugisajavufibezan.pdfIn PDF document text
- http://basaritarim.net/admin/editor_resim/file/45419128474.pdfIn PDF document text
- http://achilleferolla.it/userfiles/files/65671678572.pdfIn PDF document text
- http://csaladiegyteruautok.hu/userfiles/files/xujojumuzefaw.pdfIn PDF document text
- https://www.tcf.gov.tr/ckfinder/userfiles/files/mujuzafezesigadepok.pdfIn PDF document text
- http://szyuangang.com/UserFiles/file///68219579111.pdfIn PDF document text
- https://www.pharmawell.eu/ckfinder/userfiles/files/jalividobukekifiv.pdfIn PDF document text
- http://www.ciesol.es/ckfinder/userfiles/files/rebujase.pdfIn PDF document text
- http://pincesorvarshop.hu/editor_up/xipidalobamisapidod.pdfIn PDF document text
- http://hanlacsclub.com/ckupload/files/jipek.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=what+is+google+appPDF 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_off00010a18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A18 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001222f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1222F | 10320 bytes |
SHA-256: dd6a2ca139f64666244de92a82664dd0e6d6b5152c792856a0cc6ee8c5571ab7 |
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font_02_sfnt_off0001399e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1399E | 17140 bytes |
SHA-256: 56f2d7753452f3268c913ea7c230cadd75b1ae0172f944eab3f4b3f40f16063e |
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