MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, with high-confidence heuristics indicating a remote-support tool lure. The document's structure and embedded URLs suggest it is designed to trick the user into downloading and executing a payload or granting remote access. No scripts were extracted, but the PDF structure and embedded links are indicative of a phishing or social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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://cam-ceeds.org/ckfinder/userfiles/files/20888613923.pdf In PDF document text
- http://praguynakorn.com/praguynakorn/picture/datapro/files/51972127482.pdfIn PDF document text
- http://boardmark.com/files/file/58380641869.pdfIn PDF document text
- https://www.rougeindigo.com/ckfinder/userfiles/files/fuxijux.pdfIn PDF document text
- http://lblussana.it/images/file/pegosazuwazogebex.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/siluzerusuziwajabapug.pdfIn PDF document text
- http://laureysnv.be/uploads/files/joxifowizofu.pdfIn PDF document text
- http://icloudcleaners.com/uploads/account/autoresponderfiles/budonozi.pdfIn PDF document text
- http://superfasttv.com/uploads/files/gabawe.pdfIn PDF document text
- https://lolakarimova.uz/ckfinder/userfiles/files/14960968788.pdfIn PDF document text
- https://ddshower.com/ckfinder/userfiles/files/warasulidalux.pdfIn PDF document text
- http://fivelscope.net/fckimages/jelatisufogozanubedav.pdfIn PDF document text
- http://nieruchomosciklodzko.pl/files/file/47176469581.pdfIn PDF document text
- https://bccphil.paramedix.biz/uploadfiles/file/bisaronudaz.pdfIn PDF document text
- http://charolais-hessen.de/write/userfiles/file/lozesuxelut.pdfIn PDF document text
- http://allycatering.com/userfiles/penovasalek.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161443338146cc---62605156413.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143c588083da---49940183484.pdfIn PDF document text
- http://steelbo.com/uploads/admins/u0/files/20210916234603.pdfIn PDF document text
- https://byocamacho.com/ckfinder/userfiles/files/megafixogisa.pdfIn PDF document text
- http://fanghsin.com/uploads/files/202109131358183917.pdfIn PDF document text
- http://preciz.com/uploads/wysiwyg/files/48598026158.pdfIn PDF document text
- http://olddieselparts.com/ckfinder/userfiles/files/rimomugukozagugulosijavo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=bluetooth+printer+apps+for+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_off0000de68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE68 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f67a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF67A | 17684 bytes |
SHA-256: 08ce59da20932157801f7b5b44cca0ac58d3f90c584de7e17ae1ff1ae9b0b71d |
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font_02_sfnt_off000123f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123F6 | 10748 bytes |
SHA-256: 0ec5d523ccd5b6bee642fce0c12691dff9f56e97391ec711593f903379aebe24 |
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