MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, many of which point to suspicious PDF files hosted on various domains, suggesting a link farm designed to redirect users. The presence of a URL related to downloading paid Android apps for free indicates a phishing or scam attempt. ClamAV detection and ML classification further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 5
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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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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://yonseri.org/userfiles/files/datimokofulelisagebu.pdf In PDF document text
- http://hondasushi.com/uploads/files/bewefumuzaj.pdfIn PDF document text
- https://redengewinnt.com/userfiles/file/1445940209.pdfIn PDF document text
- http://kunjipsc.com/uploads/files/45579808003.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d44ddc7ca2---86673254504.pdfIn PDF document text
- https://nilsahost.com/calisma2/files/uploads/6191555038.pdfIn PDF document text
- http://hz-karavany.cz/ckfinder/userfiles/files/2556003089.pdfIn PDF document text
- http://blccy.com/userfiles/files/59444794606.pdfIn PDF document text
- http://www.dogwoodagility.nl/ckfinder/userfiles/files/81431011648.pdfIn PDF document text
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/161380f6cb406e---bilojuvilinugililatiwavov.pdfIn PDF document text
- http://ssanadia.in/userfiles/file/fivugekuviwizokikezowa.pdfIn PDF document text
- https://whitesal.com/data/images/file/3606_20210907131545.pdfIn PDF document text
- http://www.aportecnica.com/imagenes/editor/file/sefudobiremejijam.pdfIn PDF document text
- https://bonaparte.cappencms.com/templates/files/82290609448.pdfIn PDF document text
- https://htcpost.vn/vietpost.vn/img_content/file/30883033622.pdfIn PDF document text
- http://change4best.ru/upload/file/muzanepakasejopaperedu.pdfIn PDF document text
- https://ecableapp.com/FCKeditor/FCKimgUpload/file/pemekavaruronav.pdfIn PDF document text
- https://skykharchono.mn/editor/files/58941220260.pdfIn PDF document text
- https://www.vita-organic.eu/admin/ckfinder/userfiles/files/xoxaz.pdfIn PDF document text
- http://nessium.net/userfiles/file/nidefapobinimoviliguzuw.pdfIn PDF document text
- http://laibros.com/ckeditor/userfiles/files/97059446046.pdfIn PDF document text
- http://aihyang.com/userfiles/file/sevowizimarop.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=best+site+to+download+paid+android+apps+for+freePDF 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_off0000c403.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC403 | 10632 bytes |
SHA-256: c6f75ea7a93580f5597e42c9e2f8c5f63de667644f22b9578415a0d4f8f0bcbf |
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font_01_sfnt_off0000dc8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC8C | 16576 bytes |
SHA-256: 5fd8e7a73cf292bd118257686dc08865ba99a0cdfb377c1b4eb7a5416cad2379 |
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font_02_sfnt_off00010702.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10702 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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