MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://tatishev.ru/admin/ckfinder/userfiles/files/jefogexuxitar.pdf In PDF document text
- http://ilksolar.com/Images/Media/files/66890202165.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b24d3a538c---39506321527.pdfIn PDF document text
- http://vasset.bg/userfiles/file/96463316706.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607f298345065---jewepez.pdfIn PDF document text
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/d8f64dc47aa5cc3d837909b8274aef5d/57859827477.pdfIn PDF document text
- http://cesishotel.lv/res/wysiwyg/file/33911052630.pdfIn PDF document text
- https://landatur.com/files/galeria/files/kulifowokuxuve.pdfIn PDF document text
- http://aliceinformaticasrl.com/user/pages/jamikusujimaxig.pdfIn PDF document text
- http://pvvc.cz/files/44131612772.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fa6110175f---95918858629.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/19d12b1e99f36c3591d7710de5317449/982508316.pdfIn PDF document text
- http://pphjako.pl/userfiles/file/vexupajusererosuwofemuviv.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160c3dbdb4b2ba---bokabetunikobe.pdfIn PDF document text
- https://nvsrolko.org/ckfinder/userfiles/files/70637065861.pdfIn PDF document text
- https://rotitelor.com/contents//files/58032745389.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/20185575868.pdfIn PDF document text
- http://hndgyl.com/v15/Upload/file/20216551603823.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/1mdgmfh0hta64bdcacbpuqp9d1/fobulofowutuvip.pdfIn PDF document text
- http://bjjiffy.com/upload/xozuzovosinej.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/cc9cd8d71164e3d92e65d87f4ca51c4b/80073563501.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=russian+nuclear+destroyerPDF 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_off0000d4db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ecf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF2 | 10624 bytes |
SHA-256: fdc088f77227c08654b42804a24ebbaff2f7cad32fe0dbee88f24fb033846a94 |
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font_02_sfnt_off00010562.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10562 | 17740 bytes |
SHA-256: 619243cdba2308b93a6ad55bb3bba95f4b06590462895f38b0639a07af504adb |
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