MALICIOUS
164
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 high likelihood of malicious intent. The heuristics reveal it functions as a link farm, pointing to numerous compromised WordPress sites and disposable hosting, likely to distribute further malicious content. The presence of embedded URLs and the 'download button' heuristic suggest a lure to trick users into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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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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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://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/16088b2bd62dde---mapifogekarujuj.pdf In PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/e4c6a3c8ecfb074aee6dedda7fc8e841/77669088494.pdfIn PDF document text
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/50b2e763ae3c5ae18ad9640afdf8b643/88842617757.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae00993e748---58970798025.pdfIn PDF document text
- https://augsburger-dartliga.de/uploads/file/jisowuwedejaka.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/3d420bc6810a1d8eeabbfc0192b81e64/59643259901.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/e6dqap5uqqcea1j4a5ai5fj8d0/92347855742.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093b0769d236---32914016253.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609d8e40d338b---godepedojobabamerotodepij.pdfIn PDF document text
- http://dchs80.com/clients/c/cb/cbc185099defa3274d3d4f74835fd64f/File/suneralazama.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16074566c4af99---35016462196.pdfIn PDF document text
- http://inwama4.vn/webroot/img/files/kalubusidemab.pdfIn PDF document text
- https://coebmsf.com/userfiles/file/mixoxuvenogam.pdfIn PDF document text
- https://elektrona.cz/files/file/37759293330.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/bfbe08fa6ea74d54fbc2a56972f554c6/80130882404.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/76990295c94606b140af1976c1caeef7/86386121722.pdfIn PDF document text
- http://xinyuemu.net/assets/202107/files/20210708131401339024.pdfIn PDF document text
- http://asianaccounting.com/admin/fckeditor/userfiles/file/46480525541.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609a3918f36d8---18166998406.pdfIn PDF document text
- http://hum-lucknow.org/test/fckeditor/file/konusofenotuvat.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094749ed4211---30102717464.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160820f36ba3b3---12432258174.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/71a7a8c4b529e2d13f63ce708e2fd26a/nujuz.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/f6f568e1b44addc7ace1f063c21864fb/88525676652.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=how+to+make+your+teeth+white+in+photoshopPDF 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_off0000fa57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA57 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011269.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11269 | 17656 bytes |
SHA-256: 3087a301472e888bff0fb02df3979af9037a543b20a67bfdc14534f68c20f3c5 |
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font_02_sfnt_off000140d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140D7 | 10856 bytes |
SHA-256: 1b6006c3f64058ac3d60cb5c15029fb2b422fa922023985624a6c386a7deedc8 |
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