MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links to various domains, many of which appear to be disposable, suggesting a link farm designed to obscure the true destination. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://ubranni.com/uploader/files/wifurutimipewakuwile.pdf In PDF document text
- https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/23332024183.pdfIn PDF document text
- https://sts-cct.com/app/webroot/userfiles/files/nopazirejokig.pdfIn PDF document text
- http://www.centralperdana.com/file/18929365043.pdfIn PDF document text
- https://mobilieroccasion.fr/uploads/file/juriki.pdfIn PDF document text
- http://preciz.com/uploads/wysiwyg/files/84787351658.pdfIn PDF document text
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613d00db02539---gagatazeneniwuzuxox.pdfIn PDF document text
- https://kompaspt2.com/contents/files/voxenumulexuzeze.pdfIn PDF document text
- https://taxforce.nl/userfiles/files/81903518482.pdfIn PDF document text
- http://cartonwrappingmachine.com/userfiles/file/30905062698.pdfIn PDF document text
- https://pr-dienst.ch/file/zotemumotomufejuraz.pdfIn PDF document text
- http://orchid-daikanyama.com/userfiles/file/nidabajujaxevewakuza.pdfIn PDF document text
- http://makaroma.fr/upload/file/472776944.pdfIn PDF document text
- https://currenwatch.myhost360.cn/file/upload/files/09-12-21-57-07-44.pdfIn PDF document text
- http://teleinwestor.pl/userfiles/file/pimawutejiwoge.pdfIn PDF document text
- http://agrostroi-proekt.ru/ckfinder/userfiles/files/subejikikofogolowukozuf.pdfIn PDF document text
- http://dreiseengrundschule.de/files/79640062358.pdfIn PDF document text
- https://bushregenerators.net/userfiles/files/lewafum.pdfIn PDF document text
- http://krr-nfe.com/suratnfe/UserFiles/File/66004039133.pdfIn PDF document text
- http://vititanon.com/user_img/files/sebamewadawatudubederedaf.pdfIn PDF document text
- https://autoprofi.ua/userfiles/file/37195839573.pdfIn PDF document text
- http://cestovni-postylka.eu/userfiles/file/gudesapefudevapo.pdfIn PDF document text
- http://goldenpeak.it/userfiles/files/gigamuzebuforidavewumu.pdfIn PDF document text
- https://capitalsyndic.com/userfiles/file/sajadi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=psn+free+codes+2020PDF link annotation
- http://s292376414.onlinehome.fr/datas/imgmail/file/5325922025.pdfIn PDF document text
- 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_off0000d74d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD74D | 10312 bytes |
SHA-256: 96577fea525763852a74e376ace857166ab79231f101a880e8694a6fd2f4d29e |
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font_01_sfnt_off0000eeb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEB1 | 18512 bytes |
SHA-256: 0d829872ff330f936684b9896218af8e1512b64d0fbbcb3c1461a90e2225a2dd |
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font_02_sfnt_off00011ea6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EA6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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