MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous external URIs and link farms pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or SEO poisoning campaign. The presence of embedded URLs and the overall structure indicate an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://medvor.ru/uplcv?utm_term=monthly+and+yearly+budget+spreadsheet+excel+template PDF link annotation
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/rdoc9ki3kh02degj4g1nnars67/zapaguxevevosusafofuwisoz.pdfIn PDF document text
- https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/3cc0beab4ae34a41342aab81560ac38b/93764285691.pdfIn PDF document text
- http://sgrappresentanze.eu/userfiles/files/vimaxige.pdfIn PDF document text
- http://kondicionery-lubertsy.ru/upload_picture/file/ruletezi.pdfIn PDF document text
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/9521f4cecfa37eaa3234d3718dc09761/pijixufewikaf.pdfIn PDF document text
- http://carrozzeriabosini.net/userfiles/files/20780515717.pdfIn PDF document text
- https://baohohoanglong.com/userfiles/file/jofepo.pdfIn PDF document text
- http://karlsbach.de/userfiles/files/tenagimasowap.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160753769a023d---golodiruxebikowilajeve.pdfIn PDF document text
- https://keralahappyjourney.com/ckfinder/userfiles/files/42286861912.pdfIn PDF document text
- http://dailyliving.nl/ckfinder/userfiles/files/jomivikupo.pdfIn PDF document text
- https://kaptenhoki.net/contents//files/zagigasekilidewibanapog.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608708aa3ba2f---58484467779.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5fdd829444---xulesiborenafonuw.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/b6d46d063f5571f7b6abf38e4bce47ed/36747899283.pdfIn PDF document text
- http://standartbio.com/fckfiles/file/lifumimovup.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/db26b199a0bb8756d050b06b0692d511/13293857681.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160d18dfe4631a---vesipolumax.pdfIn PDF document text
- http://dzbnf.com/upload/file///8181145153.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/8r6ihs9nm6bfkesmola1tf49rl/77857017421.pdfIn PDF document text
- http://blevy.com/ckfinder/userfiles/files/57542862570.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/655bc8db7d2c34af505fb50b90e5d1ce/lujazed.pdfIn PDF document text
- https://ckd-otto.com/contents//files/gaduxinatoloko.pdfIn PDF document text
- http://cuadepthanglong.com/images/ckeditor/files/17657851172.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b7a8a58ac83---83982698606.pdfIn PDF document text
- 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_off0000e7b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ffc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFC9 | 11316 bytes |
SHA-256: 963aa6f9026d0a336a3bc9b33b9b7c40233e4ad47f7bbd64e7e460922d3c8f5d |
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font_02_sfnt_off000119db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119DB | 17476 bytes |
SHA-256: df8259ab00c2c694e6c430b9fc0c2d8a4442c00383fac68d2bd017b8b886ee98 |
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