MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to obscure the ultimate destination. While no scripts were explicitly extracted, the presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics suggests an attempt to lure users to external sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://retco.ge/ckfinder/userfiles/files/jusirimejodufipamalurunu.pdf In PDF document text
- https://giolog.biz/images/bulk_images/files/tedavetepalebutanirido.pdfIn PDF document text
- http://entryexpress.online/chapter_images/files/25154467607.pdfIn PDF document text
- http://ceomit.com/fckupload/file/89742313550.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/firizo.pdfIn PDF document text
- http://hotelclinton.it/userfiles/files/rukivajekiku.pdfIn PDF document text
- https://dla-pracownika.pl/pliki_user/File/dafiju.pdfIn PDF document text
- https://hzautomatisering.nl/userfiles/file/pupagevumawejite.pdfIn PDF document text
- http://dawahcity.com/userfiles/file/subedusujakugobuledis.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/3ea1db740698f67bc6234dad03c5e4a3/53776245253.pdfIn PDF document text
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/152d3ed3781ef0f4022e5efe844630cc/44915619698.pdfIn PDF document text
- http://sillajen.com/fckeditor/_upload/file/39538106842.pdfIn PDF document text
- http://chono.mn/uploads/userfiles/files/webinisogovima.pdfIn PDF document text
- http://videotour24.com/data/fckupload/file/wazokeko.pdfIn PDF document text
- http://rallyteamwalraven.nl/file/mibizizoriniwi.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/fcf69a99b1ced2aad33388a0d4ea1545/sejozujigumaw.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087072d28053---62426736289.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/6243ee399383f35ccea2eb128d876524/15816268875.pdfIn PDF document text
- https://fminterativa.net/cms/plugins/ckfinder/userfiles/files/menipajivudewutunu.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ca6824c93---95288584479.pdfIn PDF document text
- http://amandamaitland.com/images/file/27682191186.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b321965ae---29700331815.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/02d7029c48160d4c25171595ea6f59cb/soviratoxejedavisudusa.pdfIn PDF document text
- http://canxetaidientu.com/images/file/81555374312.pdfIn PDF document text
- http://mdsalon.ru/img/lib/file/60697639378.pdfIn PDF document text
- http://maslag.eu/userfiles/file/93392554471.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=letras+del+abecedario+para+imprimir+mayuscula+y+minuscula+pdfPDF 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_off0000df65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF65 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f77c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF77C | 11092 bytes |
SHA-256: 2df8916e6c6776bed4b44ba96a6cea4d52b571f592283da10972b461a67c28e1 |
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font_02_sfnt_off00011116.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11116 | 18764 bytes |
SHA-256: f2a95215d3850ebac0fb5bc7cfe0d346b3326139dc82e496c7095fcbb9031a77 |
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