MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to disposable domains, suggesting a link farm designed to redirect users to potentially harmful content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically highlights this behavior, indicating a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://niengrangchuyensau.com/upload/contentFile/file/rupegijugaxajudumuxo.pdf In PDF document text
- http://njchemland.com/upload/files/dulogutunaduz.pdfIn PDF document text
- http://otevrel.eu/ckfinder/userfiles/files/81795597792.pdfIn PDF document text
- http://refpecsbelvaros.hu/kepek/files/gosatijodituma.pdfIn PDF document text
- http://aerotechgroup.ru/img/outer/files/2737991172.pdfIn PDF document text
- https://yocarbroker.com/upload/ckfinder/files/12585573470.pdfIn PDF document text
- http://www.ondebiz.com/userfiles/file/26964224176.pdfIn PDF document text
- http://old.arcnet.org.tw/ckfinder/userfiles/files/24872750732.pdfIn PDF document text
- http://bsp-oblspl.org/ckfinder/userfiles/files/66562607232.pdfIn PDF document text
- http://avalon-essenzen.at/userfiles/file/90944438567.pdfIn PDF document text
- http://greensquares.in/userfiles/file///82940456127.pdfIn PDF document text
- https://izometal.net/mm/file/6654395800.pdfIn PDF document text
- https://hamasataccessories.com/userfiles/files/petusunizajajafizuralero.pdfIn PDF document text
- https://kamionosnyelvlecke.hu/userfiles/file/dejosila.pdfIn PDF document text
- http://0985028898.kad.tw/kads/ckfinder/userfiles/files/42739059853.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/3uddhiberohbpd8mghtebuejuf/69721553262.pdfIn PDF document text
- https://fgcrubochi.com.ng/ckfinder/userfiles/files/ziwovixaxatomisupinurugu.pdfIn PDF document text
- https://franchisefarm.franchiseharbor.com/files/files/muvax.pdfIn PDF document text
- https://funke.be/data/file/salupezo.pdfIn PDF document text
- https://keralatemples.info/ckfinder/userfiles/files/nanasuzobowogeporivip.pdfIn PDF document text
- http://yongchengtech.com/uploads/files/202109131909509108.pdfIn PDF document text
- https://alkalacarservice.com/public_html/userfiles/file/61241709391.pdfIn PDF document text
- http://woodlandhills.ilovepokebar.com/uploads/files/wawedugonovoxopukeko.pdfIn PDF document text
- https://endeligmandag.no/e-brev/data/div/15175187034.pdfIn PDF document text
- http://koreaseowon.com/ckupload/files/burewexixobiropewiwe.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=rick+and+morty+season+5+free+onlinePDF 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_off0000b547.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB547 | 11020 bytes |
SHA-256: c88424d73f9bf74e3717227176dac309d10e40d1f8de66d33a97c9ceaaa21b84 |
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font_01_sfnt_off0000cf03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF03 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e715.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE715 | 17560 bytes |
SHA-256: 309015997c28791a214aa60dbeb9fbcf671e2e202e3e904b489ec65ae36b7eb3 |
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