MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm pointing to multiple compromised websites, suggesting an attempt to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. The ML classifier and ClamAV detection indicate a high likelihood of malicious intent, specifically related to phishing or trojan distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://testsitehq.com/ckeditor-ckfinder-integration/uploads/files/83823411183.pdf In PDF document text
- https://fo-prefectures.com/pages/files/sifetorofenofurotojinojis.pdfIn PDF document text
- https://baongochoa.com/upload/file/palizabodu.pdfIn PDF document text
- http://pkynfe.net/userfiles/file/45377360626.pdfIn PDF document text
- https://lapakunited.com/contents/files/30402602724.pdfIn PDF document text
- http://sonsuadogo.org/Images_upload/files/12843642512.pdfIn PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/d5715c464eo3k5e6k9cndc68k3/nujerulefimusiduxixelel.pdfIn PDF document text
- http://depcip.com/app/views/panel/ckfinder/userfiles/files/37161331206.pdfIn PDF document text
- http://mehmetrasimmutlu.com/icerik/file/25943337161.pdfIn PDF document text
- http://ssanadia.in/userfiles/file/tizinurigukotofod.pdfIn PDF document text
- http://sergeybazarov.ru/file/20996380205.pdfIn PDF document text
- http://pdww.ru/ckfinder/userfiles/files/72814553154.pdfIn PDF document text
- http://refinerlink.com/userfiles/file/dabawenerusobiguxux.pdfIn PDF document text
- https://renhedc.com/uploads/files/202109171111046734.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16138c79c81445---vipedapuz.pdfIn PDF document text
- http://accronline.com/userfiles/file/jutabamelagafuzemev.pdfIn PDF document text
- http://guss-ex.de/uploads/fck/file/93377104622.pdfIn PDF document text
- http://hoangnamjsc.com/upload/files/30553797898.pdfIn PDF document text
- http://ke-sen.com/userfiles/file/1630494808.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/6e34ff6b53eb279a42459f2705155324/kogug.pdfIn PDF document text
- https://ardiinerkh.mn/uploads/userfiles/files/23102664964.pdfIn PDF document text
- http://jamalcar.com/userfiles/file/49152978671.pdfIn PDF document text
- http://zjnep.com/ckeditor/ckfinder/userfiles/files/kevimowi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=adobe+photoshop+2016+torrentPDF 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_off0000d547.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD547 | 10772 bytes |
SHA-256: 21464a4e7744fd9018bad5d7407150b95c6cb2502caf674555f90400d40eca29 |
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font_01_sfnt_off0000eddc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDDC | 17920 bytes |
SHA-256: 78aa378a7fb6bda3cf27d1bb109ba96d19414817336cb1dc4002523b138aaf8f |
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font_02_sfnt_off00011c7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C7F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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