MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged as malicious by a machine learning classifier and ClamAV, indicating it likely exploits a vulnerability for client execution. The 'SE_INVOICE_LURE' heuristic suggests the document's content is designed to trick the user into downloading a malicious file, likely via a link farm, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic. The presence of numerous unknown URLs further supports the phishing and potential payload delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://formel1vermietung.de/userfiles/file/moxugenelodatedixe.pdf In PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16133b6e4c4c60---jebajiwalanojaxefade.pdfIn PDF document text
- https://chongtham68.com/app/webroot/uploads/files/zaditanovotedaxuvorusuxuf.pdfIn PDF document text
- http://ahknchem.com/upload/files/zomokofu.pdfIn PDF document text
- https://balbok.net/admin/ckfinder/userfiles/files/51295049976.pdfIn PDF document text
- http://hosungtour.com/FileData/ckfinder/files/20210906_B4F5ABE8E736274C.pdfIn PDF document text
- http://elektro-galerie-hamburg.de/userfiles/file/54554153232.pdfIn PDF document text
- https://angkorphotographyguide.com/userfiles/file/80548778031.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1893be0e2---sixig.pdfIn PDF document text
- http://hzdsbg.com/uploadfile/1631079189.pdfIn PDF document text
- http://stlukesfp.org/ckfinder/userfiles/files/kukigodedafinobiza.pdfIn PDF document text
- http://allycatering.com/userfiles/xumabaxubolosasi.pdfIn PDF document text
- http://namadagaskare.ru/ckfinder/userfiles/files/86293765677.pdfIn PDF document text
- https://ms01bet.net/contents/files/19814256921.pdfIn PDF document text
- http://sciattella.net/images/file/danudijij.pdfIn PDF document text
- http://gyogytornasziget.hu/uploads/files/44526848501.pdfIn PDF document text
- http://sbriz.ru/userfiles/file/kopifafej.pdfIn PDF document text
- https://seedcambodia.org/htdocs/cljr/data/files/muxizamuzo.pdfIn PDF document text
- https://novitas.ro/files/lebinege.pdfIn PDF document text
- http://ahnil.com/userData/board/file/taxezanegex.pdfIn PDF document text
- http://vetsnab32.ru/userfiles/file/22388719657.pdfIn PDF document text
- https://ostrichtours.com/ckfinder/userfiles/files/75119201373.pdfIn PDF document text
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/69729376869.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/82089297553.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3fb2b8e7b---winepowufenumulemu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=11th+biology+book+pdf+english+mediumPDF 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_off0000f36b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF36B | 11084 bytes |
SHA-256: 66c171b1cb1d4ed6090624af138843531de112a65ce4e621df06cf29df8ddfab |
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font_01_sfnt_off00010ca7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CA7 | 19212 bytes |
SHA-256: e97bc0e6d50a7656d2e3eec7573d60a7dfbbf6da238534b63a3c3c25102fdb8f |
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font_02_sfnt_off00013f21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F21 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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