MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a large number of links pointing to disposable domains, suggesting an attempt to obscure the final malicious destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a second-stage payload via the embedded JavaScript and the numerous URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://kopdesign.nl/userfiles/file/lazoxuzi.pdf In PDF document text
- https://tuoitre.bacgiang.gov.vn/lib/ckfinder/files/67223828375.pdfIn PDF document text
- http://ms-beauty.com/ckfinder/userfiles/files/viwumijafuvesinosodin.pdfIn PDF document text
- http://encino.ilovepokebar.com/uploads/files/towaxufigukubapar.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/161448bc514d66---90016535934.pdfIn PDF document text
- http://dongtienlamnghiep.com/upload/file/92413808301.pdfIn PDF document text
- http://www.julietlandau.com/fckeditor/userfiles/file/62497556800.pdfIn PDF document text
- http://ktcyy.com/ckfinder/userfiles/files/3133466335.pdfIn PDF document text
- http://enjoy.sk/editor_uploads/system/files/64790446925.pdfIn PDF document text
- http://ayurveda-shiatsu-nice.com/upload/files/xiruz.pdfIn PDF document text
- https://gymlesgeants.com/upload/editor/file/gupabixi.pdfIn PDF document text
- https://fulzugaskozpont.hu/files/30026170453.pdfIn PDF document text
- http://exosportsante.fr/ckfinder/userfiles/files/dibuvijolinitevavar.pdfIn PDF document text
- http://ei-windykacja.pl/upload/file/82094118825.pdfIn PDF document text
- http://waterlootour.com/FileData/ckfinder/files/20210916_75F785782D11F39A.pdfIn PDF document text
- http://mama.plovdivweek.com/js/ckfinder/userfiles/files/2074733752.pdfIn PDF document text
- http://handbook.hu/upload/page/file/gogipokifivuwoguxok.pdfIn PDF document text
- https://italvaping.com/file/siwifusogiwo.pdfIn PDF document text
- http://mega-treid.com/userfiles/files/fudujomebolasibetinukidef.pdfIn PDF document text
- http://ardennes.proximeo.com/ckfinder/userfiles/files/xazuverimuguxodakad.pdfIn PDF document text
- https://ozora.schaffsen.com/contents/file/sodoligulajof.pdfIn PDF document text
- http://ledseoul.com/userData/board/file/7454230101.pdfIn PDF document text
- https://laughteronlineuniversity.com/images/upload/files/34006619436.pdfIn PDF document text
- http://chargooshads.com/images/upload/files/77530617659.pdfIn PDF document text
- https://groupekineconcept.com/userfiles/file/52794377705.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=lucky+luke+comics+free+download+pdfPDF 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_off0000b0e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0E5 | 16468 bytes |
SHA-256: 206cbfe3ffc6e2b484b0bec8b71f54797dcea80c111e85082b59991ec92549f7 |
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font_01_sfnt_off0000dafa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAFA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f311.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF311 | 11032 bytes |
SHA-256: b286995b5b4587888c7fb542f21dd550c365c6c0573a851e9c94e1f654d9b41b |
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