MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The presence of numerous external URIs, many pointing to PDF files on various domains, suggests a link farm or redirection mechanism likely intended to lead users to phishing sites or download further malware. The ML classifier and ClamAV detection strongly indicate malicious intent.
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 http://ap116.ru/userfiles/file/xitatovifojunit.pdf In PDF document text
- http://ottomaniantextile.com/userfiles/file/lasogitizagolagebufiwigef.pdfIn PDF document text
- http://ncteonline.com/userfiles/file/31970895899.pdfIn PDF document text
- https://palezieux.com/ckfinder/userfiles/files/jowufotexobuguwunuxugomep.pdfIn PDF document text
- http://pazzo.jp/js/upload/files/70791638324.pdfIn PDF document text
- https://soyana.de/js/ckfinder/userfiles/files/53261719476.pdfIn PDF document text
- http://czyxchem.com/upload/files/ruditagexi.pdfIn PDF document text
- http://fge-service.com/userfiles/file/gurun.pdfIn PDF document text
- http://www.motionmantra.com/userfiles/files/gudaxubituxosusiga.pdfIn PDF document text
- http://fortwashington.abwingsmd.com/uploads/files/87557984384.pdfIn PDF document text
- http://arenda-v-novosibirske.ru/ckfinder/userfiles/files/gagumajotunalure.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614be24b5060e---tiwagisobabodilut.pdfIn PDF document text
- http://hrzservices.com/uploadfiles/file/voxarowipudalaruxi.pdfIn PDF document text
- https://briljant-maleri.se/UserFiles/files/23886034210.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16144a948ca35a---73698151816.pdfIn PDF document text
- http://mobilni-kadernictvi.cz/files/file/lowojakibudajusasugiwexa.pdfIn PDF document text
- http://www.jacenter.org/js/ckfinder/userfiles/files/3859865829.pdfIn PDF document text
- https://luckysurface.itweald.com/uploads/files/613e4600c762f.pdfIn PDF document text
- http://manhchenang.vn/webroot/img/files/42596594152.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613538867d537---gogelaguzidopopufa.pdfIn PDF document text
- http://prime-standard.com/piceditor/file/83550130569.pdfIn PDF document text
- http://seamacros.com/upload/file/rijodomesetezepem.pdfIn PDF document text
- http://geredekombiservisi.com/userfiles/file/39384036080.pdfIn PDF document text
- http://qwerty.pl/_data/file/durok.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=how+to+unlock+your+phone+if+you+forget+your+passwordPDF 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_off0000b10a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB10A | 15896 bytes |
SHA-256: 8f20fe7f6c85cf03071b6476ad00c4e5f89969f771b2a9202adaee048a5bdff8 |
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font_01_sfnt_off0000d8dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f0f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0F3 | 11284 bytes |
SHA-256: fdd0ba24b81a0eabfbd90bf73d3ece9fdbb6000e2908d6e34d213827d5cb305d |
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