MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, with heuristics indicating it is a link farm on disposable hosting. The document body is heavily obfuscated, but the presence of embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest a phishing or scam attempt. No scripts were extracted, but the PDF structure itself likely contains malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://investmentskillsgroup.com/images/userfiles/file/xepadezokag.pdf In PDF document text
- https://www.bramfordgc.co.uk/ckfinder/userfiles/files/gutoge.pdfIn PDF document text
- https://relaxbotanika.cz/ckfinder/userfiles/files/19068384911.pdfIn PDF document text
- https://rtquery.reitoken.org/Coaching123/images/files/20215093716.pdfIn PDF document text
- http://kronospan-mofa.hu/editor_up/50530902171.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/1499776281613175ec24898.pdfIn PDF document text
- http://www.cemeba.com/uploads/ckfinder/files/gatinojerisajozur.pdfIn PDF document text
- http://centronegozi.com/public/midovameriripowimazasisi.pdfIn PDF document text
- https://landatur.com/files/galeria/files/88583557465.pdfIn PDF document text
- https://cbdc.co/uploads/ckfinder/userfiles/files/72399221061.pdfIn PDF document text
- https://afra24.com/basefile/afra24/files/besezovutal.pdfIn PDF document text
- http://odnoklassniki-files.ru/images/uploads/files/vazefanelenavuduvib.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/fd108de4263db824005e1d127a6d5873/lexupaperakosiwidi.pdfIn PDF document text
- https://www.luthier-auxerre.fr/ckfinder/userfiles/files/vodefavape.pdfIn PDF document text
- http://gesundezellen.de/neu/userfiles/file/keratidafizawagir.pdfIn PDF document text
- http://ituor.ir/basefile/chartermeinfo/files/45306174843.pdfIn PDF document text
- https://transport-vehicules.fr/userfiles/file/62500699920.pdfIn PDF document text
- https://xn--nmqu14inmf.com/upload/files/suxonofunalaja.pdfIn PDF document text
- https://toskov-yordanov.com/userfiles/file/sodaj.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130ede0b3f4e---20703279370.pdfIn PDF document text
- http://arohitourandtravels.com/userfiles/file/77270399618.pdfIn PDF document text
- http://surveycook.com/upload/tmp/202109/file/29821385985.pdfIn PDF document text
- http://classicalgardenstatues.com/uplds/file/95442886127.pdfIn PDF document text
- http://waycreon.net/bhaskar/yii/upload/files/24477845991.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=como+configurar+internet+no+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_off0000e2af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fac6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAC6 | 10736 bytes |
SHA-256: 57c2231af1d6204e87ecede6be0b3a7ba18362514f7ab5ecf71d81826d044ab2 |
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font_02_sfnt_off0001133a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1133A | 18212 bytes |
SHA-256: d24e7eb3e3645d897e0e4ccde3131295cbaddfd28db902b232407a60ecb86f05 |
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