MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, many of which point to PDF files on potentially disposable hosting, suggesting a link farm or phishing lure. The presence of embedded JavaScript indicates an attempt to execute malicious code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://zenmobile.in/jaipriyart/uploads/files/xojewifuxinumudeti.pdf In PDF document text
- http://dalnoboy.org/data/filestorage/upload/files/25807123142.pdfIn PDF document text
- https://rwd.webseo.tw/upload/files/gusifipotenukujakujegega.pdfIn PDF document text
- https://domilot.com/uploader/files/pazavagaxalefebunavu.pdfIn PDF document text
- http://el-master.ru/userfiles/file/22686440757.pdfIn PDF document text
- http://soleilboo.com/images/uploads/files/33907226391.pdfIn PDF document text
- http://infinity8talents.com/userfiles/file/tuwaroluvogisemebofubevif.pdfIn PDF document text
- http://xn----8sbfhu6ab4bqv.xn--p1ai/userfiles/file/purapipubetowivefu.pdfIn PDF document text
- https://vipbeachhouse.com/uploads/editor/file/faxetimakara.pdfIn PDF document text
- http://szamosiszerviz.hu/feltoltott/files/56534867294.pdfIn PDF document text
- http://sieuthibds.net/images/files/dalenimod.pdfIn PDF document text
- https://venusnvs.com/userfiles/file/gemagijenifokenapelu.pdfIn PDF document text
- http://konferencii.org/js/ckfinder/userfiles/files/mizedejeto.pdfIn PDF document text
- http://isystemlab.com/admin/ckfinder/userfiles/files/toxuvazo.pdfIn PDF document text
- https://jamurgoreng.net/contents/files/45418598468.pdfIn PDF document text
- http://vegman-kzn.com/ckfinder/userfiles/files/jutagenedepakugiliximo.pdfIn PDF document text
- https://seeyounow.net/userfiles/file/sepalexebegafa.pdfIn PDF document text
- http://targhevaticane.it/userfiles/files/3611957551.pdfIn PDF document text
- https://sanvexe.vn/webroot/img/files/nobelagudevufasorivubabed.pdfIn PDF document text
- http://meta-min.com/files/riduminijanevig.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/161392220c3d89---pavipopele.pdfIn PDF document text
- http://logiccpacma.com/ckfinder/userfiles/files/lavezafipemaz.pdfIn PDF document text
- http://okna-dvere-online.cz/media/upload/upload/file/85683459132.pdfIn PDF document text
- http://pusheng168.com/uploadfiles/20210922074853.pdfIn PDF document text
- http://odnoklassniki-files.ru/images/uploads/files/90782315194.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=android+mixer+appPDF 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_off0000eed9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED9 | 17180 bytes |
SHA-256: 895de0f054c9da43c75036129acee98ef6de4ca3e363406b163969832b961ba2 |
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font_01_sfnt_off00011b38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B38 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001334f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1334F | 10324 bytes |
SHA-256: 94dc30bad0beccd25455bfaee424bc4942165b1f5368c1f8622d1cf942da8b52 |
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