MALICIOUS
66
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, with a high heuristic firing indicating it functions as a link farm on disposable hosting. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the nature of the embedded URLs suggests a malicious redirection or phishing attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
Heuristics 4
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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://a899.net/userfiles/file/wepiderin.pdf In PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-9-12/20210912012511939086.pdfIn PDF document text
- http://ettorebelfioreliutaio.it/userfiles/files/liruwitabipo.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/6df865e2348ecafd2cc1ee6b63e3408e/gikilesosor.pdfIn PDF document text
- http://5thaveseniors.org/userfiles/file/5848558315.pdfIn PDF document text
- http://cl-pub.com/files/files/3911259749.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/10465939468.pdfIn PDF document text
- https://jpjplumbingandheating.com/FCKeditor/file/nubuduwonotasipusevula.pdfIn PDF document text
- http://ubytovna-krumlov.cz/userfiles/file/jixinasagidasivarik.pdfIn PDF document text
- http://sallytour.com/FileData/ckfinder/files/20210902_482BD7C116E68219.pdfIn PDF document text
- https://mr-alian.com/upload/ckfinder/files/38989822968.pdfIn PDF document text
- http://gandolfiarchitetti.com/userfiles/files/livuvudabenowoniwogej.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/dizulifirunodil.pdfIn PDF document text
- http://royalgoodviewresort.com/Uploads/file/31096515702.pdfIn PDF document text
- https://net-mex.hu/ckfinder/userfiles/files/30655854526.pdfIn PDF document text
- https://equipelec.fr/ckfinder/userfiles/files/petojefo.pdfIn PDF document text
- https://ln80.cn/filespath/files/20210904191523.pdfIn PDF document text
- http://sandsflooring.co.uk/ckfinder/userfiles/files/toxedaxom.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/28fca46733c77052220509b832707923/nakaveranasefax.pdfIn PDF document text
- http://chenruichem.com/upload/files/14400631487.pdfIn PDF document text
- http://kledingindex.nl/images/uploads/zikivalanewigebutipalamu.pdfIn PDF document text
- http://cpghollywood.com/userfiles/files/67843530223.pdfIn PDF document text
- https://coffotea.com/uploads/files/202109081317363337.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16137a65013c24---sirado.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=us+full+movie+putlockerPDF 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_off000105c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105C9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011de0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DE0 | 10640 bytes |
SHA-256: 01f217c84ba7172254a4e6d64d731744942d0830af35c8c0527af036d9cbfcf2 |
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font_02_sfnt_off00013645.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13645 | 17228 bytes |
SHA-256: 7eecfdf0ebfb6bdbdee490f5b7d3ee0b70575a6a016e6765f9a0af6243ddb967 |
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