MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to potentially harmful content. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://memsports.com.br/admin/libs/ckeditor/ckfinder/files/jogiziporivuwipitan.pdf In PDF document text
- https://ceccarbotosani.ro/userfiles/file/29160845850.pdfIn PDF document text
- http://friulanamarmi.it/images/file/zisexezilalu.pdfIn PDF document text
- http://tingyi-bnb.com/CKEdit/upload/files/nidegekorikitem.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c414a1764---11144443393.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/rdu18ndi7ph0451qh5gqf7aif6/53829939576.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160afc859eda68---89324281575.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/tusutapulopew.pdfIn PDF document text
- http://mjacz.cz/soubory/files/woxusibatologuwobawaj.pdfIn PDF document text
- https://www.autopsrus.com/ckfinder/userfiles/files/bivogufexepuvunogapimapix.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160779be8ecb8e---40844211634.pdfIn PDF document text
- https://www.bbmnetlicitacoes.com.br/cms/ckfinder/upload/files/danejavasadavutes.pdfIn PDF document text
- http://dahchen.tw/userfiles/file/55652283734.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/3177e4d3824e43967c163c9bcbfbb8fe/werejobumitopo.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608213ea878c0---kakazoretuw.pdfIn PDF document text
- http://herculesestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/15667336757.pdfIn PDF document text
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc94aa035a---viluxelipin.pdfIn PDF document text
- https://briljant-maleri.se/UserFiles/files/xejelapipitorufi.pdfIn PDF document text
- https://tasleemdubai.com/userfiles/files/tafirujili.pdfIn PDF document text
- http://szkolaprzybranowo.pl/ckfinder/userfiles/files/59482523869.pdfIn PDF document text
- https://www.hippocratio.gr/ckfinder/userfiles/files/govaw.pdfIn PDF document text
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/28445297948.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/2996eeff69887cf65fffd72d4a26b46c/ruwunefi.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/oaj35000j8r5kkuuol7o7qiji3/93918639246.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e5de04874---8427680933.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=best+way+to+forge+a+signaturePDF 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_off0000fa22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA22 | 20136 bytes |
SHA-256: 6bb31e027d87d1cdc9b5dff81747d1e1adaf26ee66db677e904cc16da4ae2ab0 |
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font_01_sfnt_off00012d78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001458f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1458F | 10696 bytes |
SHA-256: 7e5287bc32143493eae52759ebf052605eadce11a26224d18cf297d01a2f1c0a |
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