MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as a malicious PDF by ClamAV and an ML classifier. It contains embedded JavaScript and numerous external URIs, many of which point to disposable hosting. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a link farm strategy, suggesting the PDF's primary purpose is to redirect users to potentially malicious external sites for further exploitation or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://quanhoangtsi.com/upload/quangtri/files/42965891840.pdf In PDF document text
- http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135b2c030dd9---81554130288.pdfIn PDF document text
- http://mikllc.mn/uploads/files/27293548420.pdfIn PDF document text
- http://lustigersteirer.at/userfiles/file/vadiwogikajelerenawup.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/e0ef607aa046f8ed5e495a84cd3fd2f4/92803355040.pdfIn PDF document text
- https://cooperspick.com/files/jadiwosisamej.pdfIn PDF document text
- http://baby-daycare.com/uploads/files/202109032019426478.pdfIn PDF document text
- http://alfadent-volg.ru/images_uploads/files/1233833403.pdfIn PDF document text
- https://oykufestivali.com/ckfinder/userfiles/files/kaliwon.pdfIn PDF document text
- https://bocion.com/ckfinder/userfiles/files/jagakusenigulupivomuvewe.pdfIn PDF document text
- http://mkbeauty.vn/luutru/files/rupejirema.pdfIn PDF document text
- http://salman-group.com/userfiles/file/gemegidixage.pdfIn PDF document text
- http://goldendazzle.com/upload/quangtri/files/nadodelasufujagerusikulex.pdfIn PDF document text
- https://oreopay58.com/ckfinder/userfiles/files/32444233511.pdfIn PDF document text
- http://yuha.be/_files/file/tidavufoxim.pdfIn PDF document text
- http://capitolmetrophysicaltherapy.com/files/files/52029632440.pdfIn PDF document text
- http://radis-rrl.ru/userfiles/image/78613805021.pdfIn PDF document text
- https://t2sc.me/userfiles/buvokunubemenumusenivowe.pdfIn PDF document text
- http://hiace-yoshikawa.com/js/upload/files/93042290090.pdfIn PDF document text
- http://aptekarynek.pl/zdjecia/fck/file/silam.pdfIn PDF document text
- https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/joribaxegubuvajenun.pdfIn PDF document text
- https://www.nhabe.com.vn/ckfinder/userfiles/files/95136740182.pdfIn PDF document text
- http://vinhthuan.vn/upload/files/mises.pdfIn PDF document text
- http://falegnameriacastiglione.it/userfiles/files/jefumefik.pdfIn PDF document text
- http://hidropro.hu/upload/37371706317.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=power+off+androidPDF 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_off0000d5e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5E9 | 10124 bytes |
SHA-256: 91257802129ee940491c98b57a3e35a2140ff46ad7b0c04db6ff8610d2bede59 |
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font_01_sfnt_off0000eca8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA8 | 17884 bytes |
SHA-256: 106ffb38c0f6a64d0b290500816b90b67ac1f1083f5b0bf2b30537261da113ee |
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font_02_sfnt_off00011b32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B32 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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