MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting vulnerabilities or redirecting users. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a large number of external links, suggesting a link farm or phishing attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lead the user to a malicious site via the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://azseal.net/uploads/userfiles/file/41139292369.pdf In PDF document text
- http://roland-toys.eu/userfiles/file/6187553418.pdfIn PDF document text
- http://honyi.tw/ckfinder/userfiles/file/kemixuzonikatipi.pdfIn PDF document text
- http://thangmayedex.com/webroot/img/files/63621754642.pdfIn PDF document text
- http://sprinter-lab.ru/content/File/51496302353.pdfIn PDF document text
- https://relaxbotanika.cz/ckfinder/userfiles/files/tipex.pdfIn PDF document text
- http://spamsmsgiare.com/media/ftp/file/zeguzijivujagozorup.pdfIn PDF document text
- https://khangle.vn/uploads/images/files/nititititam.pdfIn PDF document text
- https://riolisboa.com/images/ul_files/file/wKmuRZfgQlBW.pdfIn PDF document text
- http://theonejsc.com/userfiles/file/najokarozuxafozaxefu.pdfIn PDF document text
- http://aptwash.com/userData/ebizro_board/file/98240542835.pdfIn PDF document text
- https://badoza.net/userfiles/file/68276613303.pdfIn PDF document text
- http://urdu-hadith.com/survey/userfiles/files/1690013793.pdfIn PDF document text
- https://steammining.com/userfiles/file/nafagagog.pdfIn PDF document text
- http://baheth24aqari.com/ckfinder/userfiles/files/96556475248.pdfIn PDF document text
- http://granitemountainranch.net/userimages/51111347232.pdfIn PDF document text
- https://alrashed-alsaleh.com/userfiles/files/limugex.pdfIn PDF document text
- http://allivecoat.com/userData/board/file/bidisezib.pdfIn PDF document text
- http://exdebt.bg/userfiles/file/92094930360.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612feab2084fa---74640808176.pdfIn PDF document text
- http://daieimotors.com/js/upload/files/88298018546.pdfIn PDF document text
- http://nicolalazzarotto.com/userfiles/files/piwojalasexaminurabad.pdfIn PDF document text
- http://julianina.dk/upload/file/kifaxobagela.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=faringe+y+laringe+pdfPDF link annotation
- http://www.cst.rnu.tn/js/ckfinder/userfiles/files/72520895257.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_off0000ed4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED4A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001055c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1055C | 19732 bytes |
SHA-256: b07f4ee95f42f35202ee47a5d38b25b861759914a0ad84e9a99e7cfea00c220a |
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font_02_sfnt_off00013741.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13741 | 10380 bytes |
SHA-256: bf9eb878378d52f685c3d85bebe8fdad5d4ba3b74f88bfe46698236491cf8506 |
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