MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by ClamAV and an ML classifier. Heuristics indicate it is a malformed exploit stream and an image-only document designed as a phishing lure, containing numerous links to external PDF files. The document body is heavily obfuscated, preventing a clear understanding of its specific intent beyond being a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://corse.annuaire-regional.com/ckfinder/userfiles/files/kogowewuzuboduzadunu.pdf In PDF document text
- https://eseninternational.com/uploads/files/vaponigawa.pdfIn PDF document text
- http://skulpt.in/admin/uploads/file/jubaboxataposikepigezifug.pdfIn PDF document text
- http://iuf.kr/pds_down/files/66066682011.pdfIn PDF document text
- http://obrienbuilders.com/userfiles/file/47245199287.pdfIn PDF document text
- https://nobelboya.com/userfiles/file/fodugolinavubigoxizamuju.pdfIn PDF document text
- http://podolsk-kondicionery.ru/upload_picture/file/24798547945.pdfIn PDF document text
- http://hospitalitan.com/sites/default/files/file/66618672786.pdfIn PDF document text
- http://hotelrefah4ter.ir/basefile/hotelrefah4terir/files/74508034813.pdfIn PDF document text
- https://bluetact.com/ckfinder/userfiles/files/vedowoxijow.pdfIn PDF document text
- http://yogaschoolofkerala.com/photos/editor/files/20588264880.pdfIn PDF document text
- http://elrey-uslugi.ru/media/file/87342861111.pdfIn PDF document text
- http://sspvjd.com/FileData/ckfinder/files/20210914_45D6B07342D390FB.pdfIn PDF document text
- http://7m-shop.com/userfiles/file/74626301890.pdfIn PDF document text
- http://daiichihr.com/uploads/news_file/gobebozufakipigibonodib.pdfIn PDF document text
- http://www.ctnphrae.com/ckfinder/userfiles/files/gidigepajunizewiro.pdfIn PDF document text
- http://lsphc.com/userfiles/file///jekewakotojoluz.pdfIn PDF document text
- https://haruhonpo.com/upload/haruhonpo/files/gatezafagepenifikebesa.pdfIn PDF document text
- http://italy-ex.com/images/blog/file/satovukovenu.pdfIn PDF document text
- https://ajur.rest/uploads/userfiles/file/vuwopi.pdfIn PDF document text
- https://ehbo-oostkapelle.nl/userfiles/file/25191008515.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/dc44e273b9b0fb0feb42d52f9b25dd47/luvojakur.pdfIn PDF document text
- http://namuvaldymas.lt/userfiles/file/12259606915.pdfIn PDF document text
- http://thepnguyentran.vn/media/ftp/file/7007046259.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=tasks+and+subtasks+in+projectPDF 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_off0000ae3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE3C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c653.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC653 | 10888 bytes |
SHA-256: 081e64cff9e63c1d08b28e1fb48653650db3e203b33681bf86a1bec290753848 |
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font_02_sfnt_off0000df6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF6A | 13940 bytes |
SHA-256: ee7a66070e834d0e9194f62cc7c60f294681ba8176cacb448aa648d09ad3ed18 |
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