MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs pointing to various domains, many of which are likely part of a link farm designed to manipulate search engine results or host further malicious content. The presence of these links and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest an SEO manipulation or content hosting attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 https://suthuytinh.com/app/webroot/uploads/files/sigikusivexosufokirem.pdf In PDF document text
- https://dildendilecevirievi.com/upload/ckfinder/files/91822035207.pdfIn PDF document text
- http://zaintik.org/files/galeria/files/texefubaburobokofujuna.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161456af9e6580---74195719853.pdfIn PDF document text
- http://gevenschoenen.nl/ckfinder/userfiles/files/zudefokuravigedolekaxo.pdfIn PDF document text
- http://backupcenters.com/userfiles/file/tiruri.pdfIn PDF document text
- https://binhvi.com/upload/files/42486769083.pdfIn PDF document text
- https://mountainbrookbuilders.com/home/mountain/public_html/ckfinder/userfiles/files/46046746144.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/89706255450.pdfIn PDF document text
- http://enjoyisagenix.com/ckfinder/userfiles/files/6896527334.pdfIn PDF document text
- https://my-natural-style.net/upload/files/89207767398.pdfIn PDF document text
- https://www.pepinieres-gey.fr/ckfinder/userfiles/files/muxaroxeloworug.pdfIn PDF document text
- https://escaletravel.com/userfiles/files/zusajuragixetiw.pdfIn PDF document text
- http://npi-management.org/ressource/site-image/files/tegelurufufotunezezaxepix.pdfIn PDF document text
- http://ahzgbh.news-read.com/upload/files/27822115487.pdfIn PDF document text
- http://meghdoothsuzuki.com/uploads/worupatojomadenomejov.pdfIn PDF document text
- http://sccsfz.org/upload/2021-09/suzasigaregibuwajimojufav.pdfIn PDF document text
- http://xn--80aer5aza.xn---42-5cdakyymnnb9ake1az.xn--p1ai/ckfinder/userfiles/files/27048967420.pdfIn PDF document text
- https://seas2010.cienciaevida.pt/site/upload/file/vesedizamegolomikedumefe.pdfIn PDF document text
- https://elperrocallejero.info/ckfinder/files/zufiwibagu.pdfIn PDF document text
- http://pantipplaza.com/userfiles/file/gujof.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e4758670a5---lovodotusilomidimipag.pdfIn PDF document text
- https://longhoang.vn/upload/files/wilam.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=osi+model+data+flowPDF 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_off0000af86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF86 | 10424 bytes |
SHA-256: dc9c6cbb356fec8c7f764b87de98ec901d1324c3dd9064d9081cbc41c743e64a |
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font_01_sfnt_off0000c740.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC740 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000df52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF52 | 16488 bytes |
SHA-256: 200a6d41d48fd42c51838548e48d866bf4343ca57a45ae2d18cf3499be6805d7 |
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