MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS uploads. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and detection suggest it's designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://cristalensi.com/public/File/56555331882.pdf
- https://ocw.tw/uploads/files/mekufotidusumida.pdf
- https://triosms.com/userfiles/file/jokitogekexomoxefuzanop.pdf
- http://feynburg-uhren.de/uploads/35530644926.pdf
- https://247christianity.org/fckeditor/userfiles/file/11705147551623473905.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b715e2421c0---gamozipemabosagilakop.pdf
- https://anpheatingandac.com/nbloom/fckuploads/file/tekokifagegetetif.pdf
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/redakiwitufowoxi.pdf
- https://mps-india.com/userfiles/files/59316175738.pdf
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/16085589117c4e---1409442604.pdf
- http://www.urbanwaterways.info/files/rixorelosavizetotorizen.pdf
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160726d4e72ee9---79280849295.pdf
- http://pphjako.pl/userfiles/file/77415247009.pdf
- https://poolpoint.be/uploads/file/35293703868.pdf
- https://tailormade-sales-marketing.com/userfiles/file/12933630523.pdf
- https://godahoian.com/app/webroot/upload/files/buligerunebafijilonetowez.pdf
- https://aartipalette.com/userfiles/file/61870419151.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f6c77963f12---dugokij.pdf
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e954ad9f8f---2257595489.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160995ffcab4bf---sowaxaxibofevirom.pdf
- http://mtlebanon62.com/clients/5/5e/5ee551a8be14a26d7d76bc5e90dd1372/File/20771955066.pdf
- https://lotteppta.com/beta/assets/file/morizatixirijoxejaguj.pdf
- http://www.aportecnica.com/imagenes/editor/file/63568045597.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/i79am2e444etpcm95ibkj65vt0/98321786845.pdf
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f461e5e090---75214042639.pdf
- http://winfielddeli.com/ckfinder/userfiles/files/xenuzidipepafozagevusiw.pdf
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16092280ac2374---kifekitozunapakukoz.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=food+presentation+secrets+styling+techniques
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fdab.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDAB | 16792 bytes |
font_01_sfnt_off000115bd.bin7d643b96d569c2636238f69021e7ea5252304b6c6eaace012b891cf431bcff92 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115BD | 17692 bytes |
font_02_sfnt_off0001442c.bin030701d0c5b240fdee0db2cd0aa1cdfdb0a8e4c5eea2c2ee014b056d92489251 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1442C | 11132 bytes |
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