MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous external URLs pointing to potentially harmful content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights its nature as a non-clustered link farm on disposable hosting, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the presence of many external links is a strong indicator of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://medvor.ru/uplcv?utm_term=story+creator+app+android PDF link annotation
- https://zemtechnika.lt/public/site/0files/99629245915.pdfIn PDF document text
- http://grandfiltr.com/files/file/mamumapebu.pdfIn PDF document text
- https://akconta.com/uploads/files/sakonosebutilamok.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16147c8ea11aec---46232702936.pdfIn PDF document text
- http://www.insight-assessment.com/ckfinder/userfiles/files/devosutigosevezulazup.pdfIn PDF document text
- http://xn----8sbfeahwarn6ac1adp3fb2p.xn--p1ai/userfiles/file/65732302399.pdfIn PDF document text
- http://rent2day.ca/ci2/userfiles/files/21582650231.pdfIn PDF document text
- http://pileshoppen.dk/userfiles/file/17474690297.pdfIn PDF document text
- http://bsp-oblspl.org/ckfinder/userfiles/files/suxunesovaxokuvigunaded.pdfIn PDF document text
- http://praguetransfer.com/files/file/17762053188.pdfIn PDF document text
- http://ge-mak.com/files/34710525464.pdfIn PDF document text
- https://bccphil.paramedix.biz/uploadfiles/file/bisaronudaz.pdfIn PDF document text
- http://hebammenglueck.de/ckfinder/userfiles/files/zudunane.pdfIn PDF document text
- http://karinameal.com/imgdish/files/63060602117.pdfIn PDF document text
- https://simon-daulte.com/ckfinder/userfiles/files/32249192047.pdfIn PDF document text
- http://sh-songshi.com/admin/upimg/file///16214933212.pdfIn PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/22339397300.pdfIn PDF document text
- https://www.wappa.com.au/siteadmin/ckfinder/userfiles/files/wirinus.pdfIn PDF document text
- https://alebusph.centralcms.cloud/galeria/files/21168481012.pdfIn PDF document text
- http://ambartakip.net/belgeler/file/duxojetagibesanube.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137aaa4d6518---13303019705.pdfIn PDF document text
- https://magicdiscoradio.com/userfiles/file/jolusinivifotisazodoke.pdfIn PDF document text
- https://osikovo.eu/webroot/img/content/files/63287934804.pdfIn PDF document text
- http://gibisch.com/files/files/subovesoxavi.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_off0000ea05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA05 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001021c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1021C | 10484 bytes |
SHA-256: 6b3518f8430d746817bb8a07f832fd37c4b40b91923f1a1811c19fda0220442f |
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font_02_sfnt_off00011a15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A15 | 17860 bytes |
SHA-256: 3208e503258b20957771dcb4f6fb39cd44b7f880e8dc7bf8376682ba56d6112f |
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