MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS uploads, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF link farm heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://study4student.com/cache/fck_files/file/26524241792.pdf In PDF document text
- http://dom-2000.ru/ckfinder/userfiles/files/31279793211.pdfIn PDF document text
- http://tantusmarina.com/UserFiles/file/67631970274.pdfIn PDF document text
- http://rajskiewakacje.pl/userfiles/file/zubupuvokufug.pdfIn PDF document text
- http://salonorganica.ru/upload/files/66983689793.pdfIn PDF document text
- http://gocoachfox.com/userfiles/file/mularawafesufodotugeja.pdfIn PDF document text
- http://udmvdpo.ru/images/files/21865235549.pdfIn PDF document text
- https://red-adlay.com/upload/files/35530570915.pdfIn PDF document text
- http://pyramidplaster.com/file_media/file_image/file/maninalef.pdfIn PDF document text
- http://sporteambiente.it/ckfinder/userfiles/files/81596284777.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/ag21jcsfr6brpgesd47g19kof1/33668510938.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/032c7ae99cde64db1dd8a7e76a239e21/vugawaboliki.pdfIn PDF document text
- http://originalcheck.it/public/img_admin/file///bedidopulexeruwepu.pdfIn PDF document text
- http://mitcostruttori.it/userfiles/files/53815413112.pdfIn PDF document text
- http://salman-is.com/userfiles/file/18418441374.pdfIn PDF document text
- http://biirbeh.mn/images/content/file/62724972166.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea955e691a---gowasebug.pdfIn PDF document text
- https://lixtech.com.tw/ckfinder/ckfiles/files/1410884064.pdfIn PDF document text
- https://butterfly-propertymanagement.com/userfiles/file/soxobiten.pdfIn PDF document text
- http://afro-safari.com/upload/files/25884028890.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1613125848bc43---sulukajidepevozam.pdfIn PDF document text
- http://vrieshorst.nl/images/uploads/file/nazivusupoki.pdfIn PDF document text
- https://kottayammedicalcollege.org/CMS/ckfinder/userfiles/files/vijixorum.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=the+prime+of+miss+jean+brodie+pdfPDF 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_off0000b46c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB46C | 16416 bytes |
SHA-256: 63e3ce85eb253ec931aaf131733f9df1107a6666b8ce306488de87337bf780e6 |
|||
font_01_sfnt_off0000dee5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEE5 | 10852 bytes |
SHA-256: 880622a1d3f28a7c8c27706b9b4395d5108b5d518f1b51e91fdc0a01cdb62283 |
|||
font_02_sfnt_off0000f776.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF776 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.