MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains heuristics indicating it is a phishing lure, specifically using a download button and an MFA harvesting pretext. While the document body is heavily obfuscated and unreadable, the presence of numerous external URIs, some pointing to potentially disposable hosting, supports a phishing or credential harvesting campaign. The ClamAV detection and ML classifier further confirm its malicious nature, likely as a downloader or phishing page.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://turksebruiloften.nl/userfiles/file/10050226626.pdf In PDF document text
- https://ichibaninfotech.com/ckfinder/userfiles/files/81745398051.pdfIn PDF document text
- https://cnc-ar.ro/files/file/kutunobaxotelurojukigog.pdfIn PDF document text
- http://larrysiegellaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sazepopuwatozu.pdfIn PDF document text
- http://yjccnc.com/upload/files/ragajotofuvefovav.pdfIn PDF document text
- http://atut-biuro.com/uploaded/file/71202625999.pdfIn PDF document text
- https://appvid.eus/userfiles/files/pisifufudawefobunafofofil.pdfIn PDF document text
- http://novelinternationalschool.com/ckfinder/userfiles/files/91375275530.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/9e85fef7f252579c6d66132679d65c39/67729902855.pdfIn PDF document text
- http://otevrel.eu/ckfinder/userfiles/files/senujibov.pdfIn PDF document text
- http://camel-republic.com/media/userfiles/files/safugojumixosasit.pdfIn PDF document text
- http://asupuro.com/upload/save_image/files/70236121292.pdfIn PDF document text
- http://finchamauto.com/pics/11649092975.pdfIn PDF document text
- https://nangluongvada.com/uploads/files/29316370877.pdfIn PDF document text
- http://duetsepolno.pl/userfiles/file/12585198125.pdfIn PDF document text
- https://valubil.com/public/uploads/cms_file/cms_files/sulowok.pdfIn PDF document text
- http://pilot-market.ru/new/files/file/68931626873.pdfIn PDF document text
- http://notariocprietoa.com/notaria/documentos/files/rajowilevutowipofo.pdfIn PDF document text
- https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/pexuseba.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613908cbda749---5549138635.pdfIn PDF document text
- http://quantri.thaisonpalacehotel.com/upload/files/86151952431.pdfIn PDF document text
- https://ijieet.org/ckfinder/userfiles/files/vawalovutugafijezejudiv.pdfIn PDF document text
- http://tacchigroup.com/public/thread/risorse/file/78226572323.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=download+miui+12+redmi+note+9sPDF 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_off0000ce99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE99 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e6b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6B0 | 10936 bytes |
SHA-256: 4d53d49a4a1415f167b8359e502fdf0bead2efaa183cef9bf7a42ec1af6f9c44 |
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font_02_sfnt_off00010029.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10029 | 17208 bytes |
SHA-256: 87b69ff5d847295da0bf5ccb9d6dafc8b0dfdd9c3c8ded971995463d97d0c351 |
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