MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF containing embedded JavaScript and a large number of external URIs, many hosted on disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to trick users into downloading further payloads via the link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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://gruppocreta.com/userfiles/files/128012437.pdf In PDF document text
- http://cetis156.neutronds.com/assets/js/ckfinder/userfiles/files/68990536723.pdfIn PDF document text
- https://icbacademy.com/upload/files/mokibukanef.pdfIn PDF document text
- http://physio-praxismitte.de/userfiles/xamututul.pdfIn PDF document text
- http://automyjka.pl/automyjka.pl/userfiles/file/dinuzemagedom.pdfIn PDF document text
- http://abwplazaview.com/uploads/files/77238894207.pdfIn PDF document text
- https://beysukonaklari.com/ckfinder/userfiles/files/32432130816.pdfIn PDF document text
- https://www.aaptuk.org/ckfinder/userfiles/files/64762169954.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/161307a798197e---xirekojoxibugefovujuxexel.pdfIn PDF document text
- https://costabravas.com/uploads/localidades/files/34287951580.pdfIn PDF document text
- http://3mfa.com/images/editor/files/23052108756.pdfIn PDF document text
- http://fskyok.com/uploadfile/files/gekobemofobemebisunisiziz.pdfIn PDF document text
- https://www.stnedu.com/ckfinder/upload/files/sazaxaxufo.pdfIn PDF document text
- http://gesundezellen.com/neu/userfiles/file/kugununiwabajajeli.pdfIn PDF document text
- https://indiansabroad.uk/userfiles/file/90817223539.pdfIn PDF document text
- https://qatarsecurityservices.com/public_html/userfiles/file/9576945384.pdfIn PDF document text
- http://quiltingacademy.info/fckeditor/userfiles/file/nimixevumafinutapusug.pdfIn PDF document text
- https://khangle.vn/uploads/images/files/reloputebonugejaweketuzeg.pdfIn PDF document text
- http://triple-a.co.th/ckfinder/userfiles/files/rodorimuduzoluvulujit.pdfIn PDF document text
- https://hotnewsmd.deca.md/upload/userfiles/files/8326547610.pdfIn PDF document text
- https://arhstroi.by/uploads/files/nekunetisosezotomigofoma.pdfIn PDF document text
- http://dragonspond.com/uploads/files/mulofafirew.pdfIn PDF document text
- http://artepcb.com/upload/files/pomidanu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=manually+add+page+numbers+in+word+2013PDF 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_off0000d139.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD139 | 11536 bytes |
SHA-256: fbff0acc5d5f2f1537d5efe08fc59c643ab188db85fb892ce2028b16cf603c0a |
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font_01_sfnt_off0000ec31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC31 | 16804 bytes |
SHA-256: 75312cd0c973d27bd6922ac56beac9c8b3a156d1eeac1816126324f2aaa17edf |
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font_02_sfnt_off0001180d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1180D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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