MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous extracted URLs suggest the document functions as a link farm, directing users to potentially harmful sites. The document body is heavily obfuscated and unreadable, providing no direct clues to its purpose beyond the technical indicators.
Machine Learning
- Nyx PDF Classifier malicious score 0.9875
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://ruihuitax.com/files/file/419208585.pdf In PDF document text
- http://www.psoealora.es/ckfinder/userfiles/files/92786969950.pdfIn PDF document text
- http://denis-lefebvre-services.com/fichiers/file/10566754162.pdfIn PDF document text
- http://nage-z.com/ckfinder/userfiles/files/69257199984.pdfIn PDF document text
- http://tienphat.vn/imagesflashupload/file/gudatudesalonadobaxaxupo.pdfIn PDF document text
- http://madmojo.com/fckupload/file/5444851521.pdfIn PDF document text
- https://myphambambi.com/webroot/img/files/junotusavujuwiruresumut.pdfIn PDF document text
- http://reclameindex.nl/images/uploads/39433472336.pdfIn PDF document text
- https://didaktika.drmix.cz/uploads/files/93858852936.pdfIn PDF document text
- http://kdwatch.net/upload/files/2021091109473693.pdfIn PDF document text
- http://leoclubmarsala.it/userfiles/files/96976060430.pdfIn PDF document text
- http://mirai-kankyo.com/userfiles/files/61460980155.pdfIn PDF document text
- https://sealand-pptc.com/userfiles/file/96531592465.pdfIn PDF document text
- http://dichvuhieuchuan.com/upload/files/poxekovizego.pdfIn PDF document text
- http://richmediahouse.com/admin/uploads/file/bewuvebigixipazinaneb.pdfIn PDF document text
- https://kolkataangikar.org/ckfinder/userfiles/files/naxonasipovoromibeleroxon.pdfIn PDF document text
- http://kaies.cn/upfiles/210911010113171870u74cn3.pdfIn PDF document text
- http://clearspace-design.com/CKEdit/upload/files/jadiguwuwijixew.pdfIn PDF document text
- http://stopguepes72.fr/userfiles/file/32164226989.pdfIn PDF document text
- http://ecohort.com/userfiles/files/vonifulofalezufotis.pdfIn PDF document text
- http://automotiveenergy.cz/userfiles/file/93852049065.pdfIn PDF document text
- http://baoveantam.info/upload/files/penexazodenegobaz.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130cc7a182c4---29853707151.pdfIn PDF document text
- http://rigosarchitects.gr/userfiles/file/73276591451.pdfIn PDF document text
- http://gtlfuelmarine.com/userfiles/file/53931447355.pdfIn PDF document text
- https://digireg.pl/upload/dukotuzuradijolejovuko.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=how+do+i+install+kodi+on+my+android+boxPDF 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_off00011d8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D8C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000135a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135A3 | 10804 bytes |
SHA-256: 45f504e8ace825849592ee592a0eb4ec1aabb6758b732d03383943e10dc35236 |
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font_02_sfnt_off00014e83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E83 | 18380 bytes |
SHA-256: f753873ee6d60fc357d72f37c6244b15e5ca31005cff58e3483b9b4449666f6b |
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