MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a high likelihood of this being used for malicious purposes, such as phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://netkat.in/ckfinder/userfiles/files/lijudup.pdf In PDF document text
- https://orangerun.re/photo/files/rujubuv.pdfIn PDF document text
- https://gegeny.hu/uploads/file/37561984935.pdfIn PDF document text
- http://www.siphonicflowmandiri.com/upload/files/164265863.pdfIn PDF document text
- https://sindhuinvestment.com/ckfinder/userfiles/files/62884707743.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/udhdl9jh3js07ra4s8ebuu8h5l/sakarajaxovufijigepese.pdfIn PDF document text
- http://jsqnchem.com/upload/files/guwavasof.pdfIn PDF document text
- https://nepaltrekkinginhimalaya.com/assets/userfiles/files/8760920587.pdfIn PDF document text
- https://nucamsa.es/userfiles/files/21329891655.pdfIn PDF document text
- http://sunpix.ru/img/lib/file/70668016270.pdfIn PDF document text
- https://cuacuonbentre.com/upload/files/jetigobexirizesi.pdfIn PDF document text
- http://urotunisia.com/uploads/FCK_files/file/22927237142.pdfIn PDF document text
- https://pchome.uzai.ca/upload/files/birupixusalabatonuki.pdfIn PDF document text
- http://zamaro.cz/images/fcke_files/file/xokixoj.pdfIn PDF document text
- https://powerliteaac.com/userfiles/file/rolelixisimup.pdfIn PDF document text
- https://serviceservice.eu/userfiles/file/12583900681.pdfIn PDF document text
- http://dietmoiquangle.com/webroot/img/files/kurasevaxozukesomamub.pdfIn PDF document text
- http://afro-safari.com/upload/files/zujepuk.pdfIn PDF document text
- http://otohyundaidanang.com/uploads/image/files/71371816896.pdfIn PDF document text
- http://fuerst-architects.com/uploads/file/wajubewelolim.pdfIn PDF document text
- http://studiorumeo.it/userfiles/files/delubufod.pdfIn PDF document text
- https://shreegroupco.com/userfiles/file/66111265404.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143c31bd5c7d---40830912053.pdfIn PDF document text
- http://sin-hua.org/userfiles/35780762740.pdfIn PDF document text
- https://bayihoki99.com/contents/files/6488405786.pdfIn PDF document text
- https://hanomanberjaya.com/contents/files/54302660934.pdfIn PDF document text
- http://fmi.lu/userfiles/files/9601159181.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=hack+of+hungry+sharkPDF 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_off0000d756.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD756 | 16972 bytes |
SHA-256: ef78cb452903274b5be98bc32d59a2eedae72241455a655d07c563b573711c67 |
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font_01_sfnt_off00010331.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10331 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011b48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B48 | 10544 bytes |
SHA-256: 02618b22f3573da7937b53b52db543987e1703654c98a0ab6292c523b16026f4 |
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