MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to other PDF files hosted on various domains, many of which appear to be disposable or low-reputation. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a malicious intent to distribute content through a network of such links. While no scripts were directly extracted, the structure and URL patterns are indicative of a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://suachuabaoduongmaynenkhi.com/img_quanganh/files/5352210956.pdf In PDF document text
- http://ceroki.com/image/files/96596214779.pdfIn PDF document text
- http://xn--42cfa4ewb0a0b3fwh.com/imageupload/files/27850243118.pdfIn PDF document text
- https://sikanderajam.com/Robinson/ckfinder/userfiles/files/gofosepijixoda.pdfIn PDF document text
- http://donleroy.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/20402718678.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614665c896159---pefixabigiw.pdfIn PDF document text
- http://tetraeng.it/userfiles/files/85617493760.pdfIn PDF document text
- http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210907_A5BFC0559A3EBBD0.pdfIn PDF document text
- https://5703n1n6999-6a55.com/contents/files/97342542391.pdfIn PDF document text
- http://derp74.fooden.com/UserFiles/files/waxixufudegavajupipiked.pdfIn PDF document text
- http://coral-travel66.ru/admin/ckfinder/userfiles/files/24785168307.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16144f52da0768---88327376954.pdfIn PDF document text
- http://hodori247.com/uploads/files/gazufolukobel.pdfIn PDF document text
- http://idrogastermoclima.it/Utentifile/FCKPage/file/mubinutedajebogepol.pdfIn PDF document text
- http://solarwindependence.com/ckfinder/userfiles/files/saxawutobabuwinamuwokaji.pdfIn PDF document text
- https://avigailpekelman.com/sites/default/files/file/89334560836.pdfIn PDF document text
- https://semagro-msw.ru/pics/images/file/72507249771.pdfIn PDF document text
- https://preprodpcb.com/userfiles/files/32793650722.pdfIn PDF document text
- http://zapatosperezcabrera.com/ckfinder/userfiles/files/ranuzogi.pdfIn PDF document text
- http://smartickgroup.com/userfiles/19805823943.pdfIn PDF document text
- http://4darchitecture.org/img/all/93002554220.pdfIn PDF document text
- http://sm300159.agchost.com/userfiles/files/65935600012.pdfIn PDF document text
- https://casasholidays.com/scgtest/team-explore/uploads/files/50656035649.pdfIn PDF document text
- http://dokumsuzgec.com/userfiles/files/robediwukuretogaritalu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=crear+carpetas+de+aplicaciones+en+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_off0000d2d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2D9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eaf0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAF0 | 10536 bytes |
SHA-256: 81756621cacae44b76759aab8139deab9e81148fa64dc2473659041525732597 |
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font_02_sfnt_off00010306.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10306 | 17732 bytes |
SHA-256: 6bf09ff319bedf57965bf062b7d469b86fcfe2c9be9bdb1bd29c500951acc0ac |
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