MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed as a link farm, likely to redirect users to malicious sites. Multiple unknown URLs were extracted, suggesting a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://arrhythmiaclinic.com/userfiles/file/20210909064922.pdf In PDF document text
- https://driftwoodcc.com/userfiles/files/xomawi.pdfIn PDF document text
- http://wefocusdesign.com/upload/files/jupetufusolizibidoluputax.pdfIn PDF document text
- https://wheelmartthailand.com/image/upload/File/nojawebeke.pdfIn PDF document text
- http://seamcc.com/UserFiles/files/sejorilaz.pdfIn PDF document text
- http://khamtribacninh.com/images/files/84671277194.pdfIn PDF document text
- http://www.electricman.in/demo/frontend/web/uploads/files/sanesobosar.pdfIn PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/4b704989e5f1717cf08b7b8c7f1e05e3/51567464056.pdfIn PDF document text
- https://www.sudoku-cool.com/ckfinder/userfiles/files/rabazufosikibubevena.pdfIn PDF document text
- https://alate.org/admin/fckeditor/editorfile/49416194216.pdfIn PDF document text
- http://a-aqua.fr/ressource/site-image/files/rogoxifodilogawaben.pdfIn PDF document text
- https://wojczak.pl/userfiles/file/92678523240.pdfIn PDF document text
- http://www.saaegfpolis.org.br/ckfinder/userfiles/files/39455484311.pdfIn PDF document text
- http://sushibelovo.ru/files/29915179030.pdfIn PDF document text
- http://baby-daycare.com/uploads/files/202109250114174121.pdfIn PDF document text
- https://landtop.com/filespath/files/20210910234444.pdfIn PDF document text
- https://cuacuonbentre.com/upload/files/67919556295.pdfIn PDF document text
- https://daulte.com/ckfinder/userfiles/files/duvuledoru.pdfIn PDF document text
- https://aymsoft.us/aym_image/files/18413009322.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/161363046c1976---daketafijolakowegide.pdfIn PDF document text
- http://abpjseah.news-read.com/upload/files/99038159933.pdfIn PDF document text
- http://nt-module.ru/ckfinder/userfiles/files/91865280210.pdfIn PDF document text
- http://rpsbchamber.org/editorData/file/94517867110.pdfIn PDF document text
- http://infunplastic.com/d/files/xopupopoxefotirirazorepa.pdfIn PDF document text
- http://gardens-spa.com/user_pict/file/9512421284.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=how+to+create+a+group+text+with+iphone+and+androidPDF 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_off0000b67a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB67A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE8C | 18316 bytes |
SHA-256: e06a1f76c6f0d85eba054ea450d196e6249a40ca0a284c6aee7c2847a43ad20f |
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font_02_sfnt_off0000fe7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE7E | 10860 bytes |
SHA-256: 2e5fa1e3dee4f66e3038cff8b25ea30d8fab092ced37fa5253ec956494fed984 |
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