MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for delivering malicious payloads. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely downloads and executes a second-stage payload from one of the numerous unknown URLs found within the document, which is a typical phishing or malware distribution workflow.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.iuoelocal870.com/kaizen/ckfinder/userfiles/files/82519905445.pdf In PDF document text
- https://textmakareknutsson.se/upload/image/tibiminowesav.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c89c9581f0---tubajemojejumamuz.pdfIn PDF document text
- http://kaithompson.com/userfiles/file/62662625642.pdfIn PDF document text
- https://confeccionesruiz.cl/UserFiles/File/dukoze.pdfIn PDF document text
- http://ksiclubbiz.ksiclub.org/svnprojects/DHD/Source/images/files/67510444347.pdfIn PDF document text
- http://gsxr.hu/userfiles/file/koxetukatovikas.pdfIn PDF document text
- http://www.gonouvellezelande.com/files/fepagopifogif.pdfIn PDF document text
- http://nuocmambason.com/upload/fckimagesfile/b5c444b3cb3626ccbe9b76fffaa7a059.pdfIn PDF document text
- http://taketty.xyz/js/ckfinder/userfiles/files/56749118661.pdfIn PDF document text
- http://thesecurityguardunion.ca/userfiles/files/jubovufevakatabu.pdfIn PDF document text
- http://aldo-ins.com/userfiles/file/77807913924.pdfIn PDF document text
- http://lsphc.com/userfiles/file///ritet.pdfIn PDF document text
- http://soft-pro.hr/upload/datoteke/folekoxi.pdfIn PDF document text
- http://www.huntsvillepr.com/files/files/dodirorirewub.pdfIn PDF document text
- https://soi.icami.mx/ckfinder/userfiles/files/jomowovefofo.pdfIn PDF document text
- http://asiadomainstore.com/userfiles/file/setaginelilisoweku.pdfIn PDF document text
- https://www.highettmetal.com.au/application/third_party/ckfinder/userfiles/files/tagav.pdfIn PDF document text
- http://seksdagen.nl/userfiles/file/divujil.pdfIn PDF document text
- https://garnizone.com/userfiles/file/nosujeko.pdfIn PDF document text
- http://offerparts.com/upload/files/84583320658.pdfIn PDF document text
- http://eortak.com/img/fck_temp/file/loxifixilurulezodonas.pdfIn PDF document text
- http://salkim.com/userfiles/file/94957316260.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=after+we+fell+pdf+free+downloadPDF 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_off000102d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102D0 | 19176 bytes |
SHA-256: 7f256172281eb9b0f60629fb660e9b8dc02ef8f1ab6551bfa3c67d54a454bf52 |
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font_01_sfnt_off000134cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014ce2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CE2 | 10300 bytes |
SHA-256: ec124fa89bb6dbe14ee1861af373fecc54a6850e5ff3a2160dd3132399d1094f |
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