MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to disposable hosting and are part of a link farm, a common tactic for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is not a legitimate document. No scripts were extracted, but the overall structure and URL distribution point to a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
Heuristics 5
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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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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://ketchas.ru/uplcv?utm_term=why+did+the+european+settlers+come+to+australia PDF link annotation
- http://entrackintl.com/uploads/5241115503.pdfIn PDF document text
- http://envisystem.com/upload/userfile/files/fipuvamagujivago.pdfIn PDF document text
- http://nceed.kr/pds/userfiles/files/32138243516.pdfIn PDF document text
- http://tkhomedeco.com/assets/uploads/ckedit/files/20210903143007.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/3967151599.pdfIn PDF document text
- http://hhoasis.org/app/webroot/img/fck/file/winewov.pdfIn PDF document text
- https://ambalatender.com/upload/files/walexewimipefesixufozenu.pdfIn PDF document text
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wimunizomunavizax.pdfIn PDF document text
- https://zbmbudomont.pl/userfiles/file/dimiwafokevafup.pdfIn PDF document text
- http://vandientuchinhhang.com/upload/files/xugovimimab.pdfIn PDF document text
- http://raffaelecavazzoni.com/userfiles/files/59141147810.pdfIn PDF document text
- http://nsk-nalogov.net/upload/files/bufatilonugom.pdfIn PDF document text
- http://camelliafb.com/uploads/files/202109141911291192.pdfIn PDF document text
- http://fijiembajak.com/uploads/ck_uploads/files/80407508179.pdfIn PDF document text
- https://egyseg.eu/ckfinder/userfiles/files/99589635308.pdfIn PDF document text
- https://quanticabtl.com/cms_2018_quantica/sgi_userfiles/userfiles/files/lesovapuvonuzoxugun.pdfIn PDF document text
- http://atomiccm.com/userfiles/files/kuvezexebupaxemuwozekodik.pdfIn PDF document text
- http://abwrosedale.com/uploads/files/39834019285.pdfIn PDF document text
- http://www.golfusa.be/userfiles/files/30636888479.pdfIn PDF document text
- https://vjlabor.pitscovn.com/uploads/Upload/files/59785821035.pdfIn PDF document text
- http://kondicionery-noginsk.ru/upload_picture/file/nunebavenop.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614663f5d15d6---tajirezonopibu.pdfIn PDF document text
- http://larrysiegellaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/99908853128.pdfIn PDF document text
- https://mahae.hu/files/files/fepekokas.pdfIn PDF document text
- https://ewastexperts.com/userfiles/files/59173583622.pdfIn PDF document text
- http://tivatijapan.com/uploads/userfiles/file/88159467395.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_off0000b79a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB79A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cfac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFAC | 15800 bytes |
SHA-256: c09f38f034c56455e00d2229ed7e97395eeb029771ea35717e39d1702b16df51 |
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font_02_sfnt_off0000f77f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF77F | 10984 bytes |
SHA-256: fc3253a1fc88a1f87d820c7533e8d28eb0047327a4051cf65cc3c22cbb4f5722 |
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