MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF document identified as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and numerous external URIs pointing to disposable domains, indicating a phishing or malware distribution attempt. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, suggesting the document is part of a link farm designed to obscure the true malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://bozoklar.org/ckfinder/userfiles/files/86175237381.pdf In PDF document text
- http://everest-c.ru/ckfinder/userfiles/files/vilowuleniwiwovanas.pdfIn PDF document text
- http://www.heatandgas.com/EditorImages/file/20700180056.pdfIn PDF document text
- https://linlinline.biz/js/ckfinder/userfiles/files/40019724923.pdfIn PDF document text
- https://2ruoteexpo.it/ckfinder/userfiles/files/18075933548.pdfIn PDF document text
- http://le383.com/uploads/files/wugufudesosorumo.pdfIn PDF document text
- http://autothudo.vn/upload/fck/file/36791927629.pdfIn PDF document text
- https://pakistanchristiancongress.pakistanchristianpost.com/userfiles/file/82021311356.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161490366768c1---56198029690.pdfIn PDF document text
- http://szermgrt.hu/uploads/ckfinder/userfiles/files/86400156265.pdfIn PDF document text
- http://www.radio-kum.si/data/files/6070126281.pdfIn PDF document text
- http://gnatowski.pl/attachments/file/fazuwatojegutitotonem.pdfIn PDF document text
- http://hurtowniagrafit.pl/userfiles/file/52254081370.pdfIn PDF document text
- http://reyazahmad.bscsaoner.in/ckfinder/userfiles/files/kakugo.pdfIn PDF document text
- http://aytekinpolatel.com/image/files/33787266253.pdfIn PDF document text
- http://yuemeism.com/uploadfiles/files/73365280857.pdfIn PDF document text
- http://razaviota.ir/basefile/razaviotair/files/53655633020.pdfIn PDF document text
- http://www.taimaobi.com/admin/ckfinder/userfiles/files/nizaxebagoxifo.pdfIn PDF document text
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/11343056630.pdfIn PDF document text
- http://bzws.zhanyougame.com/ckfinder/userfiles/files/14132166626.pdfIn PDF document text
- http://lucca.jpsoftware.sk/upload/files/24727814613.pdfIn PDF document text
- https://globalcircle.club/userfiles/file/buzakijudiwil.pdfIn PDF document text
- http://music-souq.com/uploads/file/81591483471.pdfIn PDF document text
- http://mvdeastudio.it/userfiles/files/rowakobapalunixuzudaxabo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=song+of+storms+notesPDF 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_off0000c123.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC123 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d93a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD93A | 10332 bytes |
SHA-256: b251bf20856a7f41435cab1222802ee5fc31cb1adc33bae8c217d701995d9b7c |
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font_02_sfnt_off0000f08d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF08D | 20160 bytes |
SHA-256: 9619ee56933ae1cb3b48268b844f6bbc9657141abca4eef4bcda1149cc30cd8c |
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