MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous links pointing to disposable hosting and compromised CMS upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://synthecinter.com/userfiles/files/78449174449.pdf In PDF document text
- http://kelvista.lt/images/files/3044909496.pdfIn PDF document text
- https://abandassociates.com/ckfinder/userfiles/files/bonutufipovekir.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132da9b89e4c---83322284258.pdfIn PDF document text
- http://hstairan.com/FCKeditor/editor/filemanager/connectors/php/userfiles/file/juruperutowowa.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16135a7d3150c7---96574932933.pdfIn PDF document text
- https://autopits-directo.migrupoq.com/ckfinder/userfiles/files/52305935472.pdfIn PDF document text
- https://www.educationsexuelle-ecole.ch/ck/ckfinder/userfiles/files/binuxus.pdfIn PDF document text
- https://vitanov.rs/files/bopebozuvogivikukikamow.pdfIn PDF document text
- http://fosterfreezesantarosa.com/uploads/files/zuvavegosofepudifaki.pdfIn PDF document text
- http://billsky.ee/files/file/48347955850.pdfIn PDF document text
- http://findingthegrey.com/userfiles/file/86339333076.pdfIn PDF document text
- https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/46134022320.pdfIn PDF document text
- http://dycelife.com/userfiles/file/kabixozepogogenologa.pdfIn PDF document text
- https://movie2book.com/userfiles/file/nelerakipev.pdfIn PDF document text
- http://faurau.com/luodan/images/userfiles/file/rufejeganogikaj.pdfIn PDF document text
- https://goldenlinejsc.com/userfiles/file/garavinowo.pdfIn PDF document text
- http://paulabenveniste.com/UserFiles/file/19906073342.pdfIn PDF document text
- http://palenice.net/obrazky_clanky/file/54881005486.pdfIn PDF document text
- https://loyd.rs/images/file/petosakatafekuboruguse.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1613beb91054ff---80581276356.pdfIn PDF document text
- https://noble-program.site/js/ckfinder/userfiles/files/pinegemivi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=wavesink+plus+apkPDF 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_off0000bf71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF71 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d788.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD788 | 10176 bytes |
SHA-256: cf1887ecc809a697827377c42753091fb9a55e59eb9e48e40885bb70d2fd9b56 |
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font_02_sfnt_off0000ee6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE6A | 21264 bytes |
SHA-256: e94eca71114d158739ca37bfc108f2314a0c689637643d8ed3397348e28649fa |
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