MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. The ML classifier and ClamAV detection strongly indicate maliciousness. The embedded JavaScript likely redirects to external URLs, as suggested by the PDF_URI heuristic, which is a typical phishing or malware delivery mechanism. The presence of numerous external links, many on disposable domains, further supports this.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613ddd3deecf8---59360016119.pdf In PDF document text
- http://ad.ditroinfotech.com/laportal/ckeditor-ckfinder-integration/uploads/files/menefegaronifazejoriguk.pdfIn PDF document text
- http://kliknetezde.cz/admin/obrazky/file/40558150724.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebd0e012bf---46565899985.pdfIn PDF document text
- http://cuoredicane.it/userfiles/files/relobuwojuvuzufogane.pdfIn PDF document text
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/janufevupigofedediwawali.pdfIn PDF document text
- https://cheesykeju.com/contents/files/zixujuxefuga.pdfIn PDF document text
- http://idealthailand.com/file_media/file_image/file/wizamenidenigumeradog.pdfIn PDF document text
- http://goldenstarhotel.vn/images/uploads/files/kiripovinumoxakep.pdfIn PDF document text
- https://arnetbilgisayar.com/upload/ckfinder/files/kunalasuturajojapu.pdfIn PDF document text
- http://machinesupplier.cn/data/product/file/202193_33133_289.pdfIn PDF document text
- http://technimexvn.com/images/ckeditor/files/251823127.pdfIn PDF document text
- http://tribo.kz/userfiles/File/robegele.pdfIn PDF document text
- http://pacemakerpressintl.com/uploads/assets/file/31014090338.pdfIn PDF document text
- http://bud-med.eu/userfiles/file/37583671561.pdfIn PDF document text
- http://paintmaster.hu/js/ckfinder/userfiles/files/vusupiwilezarajubalis.pdfIn PDF document text
- http://strategie-online.net/catalogue_dynamique/file/loraxowim.pdfIn PDF document text
- https://bestrecycledautoparts.net/images_i/file/fajukikejegulokono.pdfIn PDF document text
- http://farmaciafici.com/userfiles/files/76359953967.pdfIn PDF document text
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/42796624757.pdfIn PDF document text
- https://qeyeoptical.com/ckeditor/ckfinder/userfiles/files/18482909341.pdfIn PDF document text
- http://www.hebrewforreadingcomprehension.com/content/ziwovokedezu.pdfIn PDF document text
- https://radio-clipa.ro/userfiles/file/magarudexuvuladagakumujag.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=prey+2016+torrentPDF 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_off0000bee3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEE3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d6fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6FA | 10208 bytes |
SHA-256: b43bc0a2339aeca944c96e755fac1f4b7b2200b8b09faf927d50e454611f7428 |
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font_02_sfnt_off0000ee1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE1D | 17240 bytes |
SHA-256: 37ace62e8af7879fbbdcecf44425fc682c50f0ffe5adcc0716c5011015cd33b7 |
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