MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document functions as a link farm, containing numerous URLs pointing to compromised websites. The ML classifier strongly indicated maliciousness, and heuristics identified it as a link farm on disposable or compromised hosting. The embedded URLs are likely used to redirect users to malicious content or phishing sites, potentially as part of a broader attack chain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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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=six+sigma+in+educational+institutions PDF link annotation
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1608db25590017---sepomukolera.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160987111eb049---kuvebiwafelek.pdfIn PDF document text
- http://taikenplan.jp/ckfinder/userfiles/files/zixafumupewijididili.pdfIn PDF document text
- http://nickels.design/ckfinder/userfiles/files/nadasogazanufik.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fd25c4e1f1541860c329b54cfe9c4b4d/rasemufonadifijedemivon.pdfIn PDF document text
- http://edelstar-mos.ru/files/rapetimonenemo.pdfIn PDF document text
- http://deckdreams.com/clients/3/34/34055ef41782f8f15ebf372c1e39ecad/File/rajawideviba.pdfIn PDF document text
- http://aktifithalat.com/resimlerfiles/gerafifa.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/50450940262.pdfIn PDF document text
- http://anhbanglaw.com/userfiles/file/dijikinevi.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc98311920---lepumen.pdfIn PDF document text
- http://englandmatchshirts.com/assets/file/56208877302.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021050303354973499.pdfIn PDF document text
- http://ddaengshop.com/ckupload/files/medenodakoxuxerebidufukol.pdfIn PDF document text
- https://eobliecky.sk/userfiles/file/webukovu.pdfIn PDF document text
- http://hitecds.com/userfiles/file/77520420804.pdfIn PDF document text
- https://le27.fr/docs/file/95747579951.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/1f4511179cfe653e7e0d5f0c0a816eed/5137928713.pdfIn PDF document text
- http://naturalmis.com/userfiles/file/23340986046.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/a8a3cab23484bf15d885ba2870c46c99/jusafugufubavafuliz.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/a25rfv2frmofkipg4nd7bkkkm7/25564585111.pdfIn PDF document text
- http://beautybybelief.com/admin/images/file/simesisolekor.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087719c7e6ea---24919609202.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_off00014abc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14ABC | 17824 bytes |
SHA-256: 2f670ab59698ecc4ce3b4d47b12e46bde84543b02f0f9e7385245706381c146a |
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font_01_sfnt_off00017889.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17889 | 10888 bytes |
SHA-256: 55db7ffd02f229b12ab1209dcc16b866f34f0464999dec70ae86bef08445a25c |
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font_02_sfnt_off00019189.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19189 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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