MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, identified by the PDF_SEO_DISPOSABLE_LINK_FARM heuristic, suggesting a phishing or malware distribution attempt. The presence of an embedded JavaScript stream (PDF_JS) indicates potential for malicious scripting. ClamAV detection as Pdf.Phishing.Trojan further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://yuanfuconstruction.com/ckfinder/upload/files/57454772284.pdf In PDF document text
- https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/dupijerolu.pdfIn PDF document text
- http://thaiboxes.com/piceditor/file/zijitadixizaxel.pdfIn PDF document text
- http://suachuaspa.com/upload/images-content/files/61162984544.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4lc8ps7n0lvb1b1r1c2pt3jtv4/33983617745.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382207260b9---jajolekadakukugugiga.pdfIn PDF document text
- http://bekescsaba.varosom.hu/userfiles/files/fofukiwalupedelogukifu.pdfIn PDF document text
- https://dusunceokulu.net/resimler/files/46511183692.pdfIn PDF document text
- http://metamorfoza-krosno.pl/userfiles/file/kegezojodiremekojusufuvo.pdfIn PDF document text
- http://amdind.com/userfiles/file/zufidolufirurudur.pdfIn PDF document text
- http://poptheme.cn/uploadfile/files/20210902_072224.pdfIn PDF document text
- https://armature.ir/cache/fck_files/file/pumuberijorazujon.pdfIn PDF document text
- http://fipjp.com/userfiles/file/xibamosa.pdfIn PDF document text
- http://laconchigliacasevacanze.it/userfiles/files/gutulukotuwixidewunibipo.pdfIn PDF document text
- https://sieuthimaytinhcu.vn/upload/files/patatawedewolofizeke.pdfIn PDF document text
- http://iccjsc.com/images/uploads/files/30211137825.pdfIn PDF document text
- https://mogilew.ru/userfiles/file/najegutoboxematurivekok.pdfIn PDF document text
- http://bainihu.com/upfiles/editor/files/dejudodujukobawizafimot.pdfIn PDF document text
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/61489322355.pdfIn PDF document text
- https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/wowizazenefokud.pdfIn PDF document text
- http://www.pvvc.cz/files/kekanawunasilovadebosezok.pdfIn PDF document text
- http://trimix.bg/UserFiles/File/99911578526.pdfIn PDF document text
- http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/rokarugeramininoxux.pdfIn PDF document text
- http://doudou.tw/userfiles/files/99241516495.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=tizen+vs+android+tv+2020PDF 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_off0000b2ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cacc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCACC | 18620 bytes |
SHA-256: e1915162286cdd37b6d860c3122509391dbf14c57ce38bdc3ade563481875cf9 |
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font_02_sfnt_off0000f9ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9ED | 10528 bytes |
SHA-256: 01305a077e866d5c70a26be9f465f09829e7ac8079fc8bc9643293df856176da |
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