MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to suspicious PDF files on disposable domains, indicating a link farm or phishing lure. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, suggesting the document is designed to direct users to external content. No scripts were extracted, but the overall structure and URL distribution strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://daindnc.com/fckeditor/userfiles/file/masodemogum.pdf In PDF document text
- https://ccskin.com/geektic/files/purixobagenawobib.pdfIn PDF document text
- http://sapaelitehotel.com/webroot/img/files/lazusunudikevo.pdfIn PDF document text
- http://irinabailey.com/upload/files/zatoxil.pdfIn PDF document text
- https://assignmentmart.com/ckfinder/userfiles/files/78144607789.pdfIn PDF document text
- http://sbnjl.com/userfiles/files/99395020096.pdfIn PDF document text
- https://tonmathunglan.vn/upload/files/jozujewuxedifozabanazi.pdfIn PDF document text
- http://chukguwang.com/files/fckeditor/file/33650302981.pdfIn PDF document text
- https://nmcs.ca/userfiles/files/18006729150.pdfIn PDF document text
- https://woft-dining.com/webroot/editor-uploads/files/bibipimuruniwadarejud.pdfIn PDF document text
- http://ukwoodrecycling.com/userfiles/files/83768151845.pdfIn PDF document text
- http://bud-med.eu/userfiles/file/wavefojotokuledesatitezuw.pdfIn PDF document text
- http://turchifiltri.com/userfiles/files/zafexaduli.pdfIn PDF document text
- https://stopserv.ru/files/file/jijoxuduxafuxejoxapomi.pdfIn PDF document text
- http://anshan56.cn/userfiles/file/16307814261034693775.pdfIn PDF document text
- https://ph2020.org/ckfinder/userfiles/files/23225331132.pdfIn PDF document text
- http://toanthinh.vn/webroot/img/files/lajobozubezitozu.pdfIn PDF document text
- https://carmelocuritiba.com.br/ckfinder/userfiles/files/61397445597.pdfIn PDF document text
- http://studiotecnicoforace.eu/userfiles/files/fewevidanogesisewonilizir.pdfIn PDF document text
- http://rosg.net/sa_upload/userfiles/file/20210907073724.pdfIn PDF document text
- http://delfosventures.net/userfiles/files/71393270387.pdfIn PDF document text
- http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/59098029993.pdfIn PDF document text
- http://kco.su/userfiles/file/25579757646.pdfIn PDF document text
- http://pixel-pro.ru/upload/file/51954598189.pdfIn PDF document text
- http://xinyaoqiye.com/upload_fck/file/2021-9-9/20210909232038808074.pdfIn PDF document text
- https://hizlipin.com/calisma2/files/uploads/zonowazulekabawaduwe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=periodic+table+of+elements+metals+nonmetals+and+metalloidsPDF 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_off0000e679.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE679 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE8B | 17264 bytes |
SHA-256: ff826cfd79d5bace4eb90f8c4e1cdc1845d577a8da54b148822b0eeab936fbf8 |
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font_02_sfnt_off00012b53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B53 | 10776 bytes |
SHA-256: 5b87f7081d8f64385ce1d79e4338fe72be0c0dfaa80f525283cc48fc729298c6 |
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