MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan payload. The PDF contains an embedded JavaScript stream and numerous external URIs, many of which are part of a link farm designed to obscure the true destination. The primary purpose appears to be directing users to download a malicious file via these deceptive links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 https://imaggu.com/ci/userfiles/files/50122738520.pdf In PDF document text
- http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/pitopovifowozoxedusoluti.pdfIn PDF document text
- http://olsztyntransportmedyczny.pl/userfiles/file/35580872299.pdfIn PDF document text
- http://elma-itc.ru/!upload/files/ratodogu.pdfIn PDF document text
- https://scout-educationguide.com/userfiles/file/13594314109.pdfIn PDF document text
- https://thefencedocumentary.ca/adminfiles/file/38688203727.pdfIn PDF document text
- http://cupta.org/userfiles/files/20210902141158.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/234f7c69a5b58767511b5c3fc53c147b/53385664613.pdfIn PDF document text
- http://self119.net/upload/userfiles/2021/09/files/210909074825.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8971c06ac---95048606721.pdfIn PDF document text
- http://studiotecnicomartani.eu/userfiles/files/xomuvizapemuxoxuwuvareb.pdfIn PDF document text
- http://adwokaci-pila.pl/userfiles/file/42644001175.pdfIn PDF document text
- https://soyana.de/js/ckfinder/userfiles/files/11119615575.pdfIn PDF document text
- https://alternativi.brtim.com/uploads/wysiwyg/files/xagimozalumegilexu.pdfIn PDF document text
- https://amatnieks.com/pictures/image/zevitunev.pdfIn PDF document text
- https://myclubowners.travelenvogue.com/userfiles/files/82087376445.pdfIn PDF document text
- http://pneusmarene.it/images/file/10821864247.pdfIn PDF document text
- http://trivio.it/userfiles/files/90465479349.pdfIn PDF document text
- http://ttccid.com/userfiles/file/17173744862.pdfIn PDF document text
- https://maxlinder.com/admin/assets/ckfinder/userfiles/files/zasokijovedozapukumit.pdfIn PDF document text
- http://manuale.aziendasulweb.it/userfiles/files/36243523231.pdfIn PDF document text
- https://padservhosting.com/userfiles/file/xiwaro.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=atom+rpg+mod+apkPDF 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_off0000d7f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7F9 | 17364 bytes |
SHA-256: 8a3d176756b95d32651b17e6355ac09a7f98786c9fd43eb7e3a81cbf9d5a10c8 |
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font_01_sfnt_off000104ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104EE | 10268 bytes |
SHA-256: c99dc3be61048e1827f8e184903e959813af84e950349406bbed18f8909ada03 |
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font_02_sfnt_off00011bce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BCE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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