MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress upload directories, indicating a tactic to distribute or host malicious files. The ML classifier strongly flagged this PDF as malicious, and heuristics identified it as a link farm on disposable hosting. While no scripts were extracted, the structure and URL patterns suggest an attempt to lure users to malicious content.
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://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c3dba3216e7---zipuxuzo.pdf In PDF document text
- https://happycolaborativo.com/uploads/files/53725159000.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c6d8283ec9a---70888369836.pdfIn PDF document text
- http://recrute.fr/files/files/xamutuzoxa.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a197d85b6cd---47077480060.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c0356dc954c---xejutuj.pdfIn PDF document text
- https://bayihoki99.com/contents//files/zozag.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160793e792ca0a---21034025643.pdfIn PDF document text
- http://broadmoor79.com/clients/864886/File/44902155551.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/4218e00d8a3c35e22d776827e4d34f95/82197654929.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160862b48e46be---53336804587.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160722ac53bca9---mujadumuzaduxa.pdfIn PDF document text
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074569c988d2---31141992462.pdfIn PDF document text
- http://artechq8.com/beta/uploads/files/sikijimogokomemu.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1c74bd8d83---92804040683.pdfIn PDF document text
- http://accronline.com/userfiles/file/jobas.pdfIn PDF document text
- https://atl-50.com/files/file/moxamuwategoto.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/55385095731.pdfIn PDF document text
- https://lanhcongnghiepthinhphat.com/upload/files/54478035373.pdfIn PDF document text
- https://ascinfratech.com/clientprojects/trading/file/tupufodenuwanun.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/14cccf7c27abc643a86c1fd491325d0a/19521198241.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160711ff5a0407---38460624899.pdfIn PDF document text
- http://galeriejacqueselbaz.com/userfiles/file/16815528217.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=how+to+find+the+gradient+of+a+line+on+excelPDF 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_off0000e6e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6E7 | 17540 bytes |
SHA-256: 052d744a614cbecff7da2177692aa27925997d501e8f6bba87821b669cc174ec |
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font_01_sfnt_off0001152b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1152B | 10768 bytes |
SHA-256: 4945c84725b723ee2d9b0382945b50cb32f6b734737cf1a58b7385bbdc751cce |
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font_02_sfnt_off00012dab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DAB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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