MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload directories, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 6
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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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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 https://carsen.sk/editor_uploads/system/files/sujawezitisojijiresi.pdf In PDF document text
- http://zhengfutz.com/v15/Upload/file/202181981231077.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c14654b1b---vixinogivunikebovinuz.pdfIn PDF document text
- http://nanoscopy.ru/uploads/files/27596783875.pdfIn PDF document text
- https://tonwen.org/userfiles/file/dageginituxexej.pdfIn PDF document text
- http://eventologia.com/userfiles/files/rowififopuzo.pdfIn PDF document text
- http://spreewaldatelier.de/img/editor/file/24025196116.pdfIn PDF document text
- https://tsolisp.com/files/file/7762915791.pdfIn PDF document text
- http://opusincertum.it/userfiles/files/27288836509.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/47250488393.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1609c27cf74f50---fawirowumevupafarowivuzew.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609411f3aee79---93228277610.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec3ae7a269---80440022603.pdfIn PDF document text
- http://janaturismointegrato.com/uploads/file/13691564043.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160c51aea5bb3b---15816792366.pdfIn PDF document text
- https://akproauto.net/nbloom/fckuploads/file/bozebituz.pdfIn PDF document text
- http://thepnguyentran.com/media/ftp/file/38840709802.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/lnp2slq63ahuidf9jec9ne7a44/fonadofud.pdfIn PDF document text
- https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/bcff0cb5133516f11393d5b4b721dbec/rotofopowevikozepaxofa.pdfIn PDF document text
- http://hondatayho.vn/images/ckeditor/files/65534043997.pdfIn PDF document text
- https://nisahanpin.com/calisma2/files/uploads/nilusomur.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=anatomy+and+physiology+cat+dissection+lab+answersPDF 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_off0000f945.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF945 | 11280 bytes |
SHA-256: 2e2c67eb98d8ee643ddb30f7834c165761820f200e44f5a4ceefb203e57132dd |
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font_01_sfnt_off0001133f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1133F | 17608 bytes |
SHA-256: 42ad8323cf8a2f950f73abb2fdcfd26d9a087ef9b7a64744aee9f667451ef9be |
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font_02_sfnt_off0001412e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1412E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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