MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm with numerous URLs pointing to potentially compromised websites and other PDF files. The ML classifier strongly indicated maliciousness, and heuristics identified it as a link farm on disposable or compromised hosting. This suggests the document is designed to lure users to malicious content, likely as part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/16071e5608bf07---pamevasajemigikufid.pdf In PDF document text
- http://fxmeat.com/upload/file/e6659b5c43e2840352b1c545c8b13708.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/1c1c36abf630e01a52420874c8189b8f/24402257010.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/dpjbu194m2dk9uaqogtklk019r/99714275914.pdfIn PDF document text
- http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080f7b9bca3e---48677331603.pdfIn PDF document text
- http://bioident.pl/photos_fck/file/ditekukuvigugunafudab.pdfIn PDF document text
- http://improntediteatro.it/userfiles/files/75093199802.pdfIn PDF document text
- http://miskolciharsona.hu/pictures/file/viwowida.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607890a7cc633---24321339938.pdfIn PDF document text
- http://www.naturhalles.fr/fckeditor/userfiles/file/75124681674.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/dd28d834dfdabe0bdfb6df9f4ce486aa/1127368649.pdfIn PDF document text
- https://hgqq.hk/tony/churchofgod/ckfinder/userfiles/files/mimazetidu.pdfIn PDF document text
- http://psmpetcare.com/clients/76030/File/86376128353.pdfIn PDF document text
- http://paroissedementon.fr/upload/files/60729964755.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/500004edd73ebb38ed0ff245e9ab6997/58002580938.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609badb6256a2---ziboranomunolafagorege.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/e5aacdadab73eec76d7289510836592b/36102404834.pdfIn PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/143259aafaafea3ea296dcb056c5530f/dojegati.pdfIn PDF document text
- http://stjconsulting.it/userfiles/files/kimomakuvi.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac01bb1ca14---lubimoxarop.pdfIn PDF document text
- http://dalboncostruzioni.it/userfiles/files/kepuwokefagogovudu.pdfIn PDF document text
- http://bluedevils59.com/clients/862365/File/jafenuvopebige.pdfIn PDF document text
- http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608778aac2f73---67280618315.pdfIn PDF document text
- http://www.dgtrans.co.th/login/ckfinder/userfiles/files/bijofukidunilewesif.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=shipwrecked+vbs+castaway+logbook+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_off0000b75a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB75A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cf71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF71 | 11368 bytes |
SHA-256: a8bc98105242a6936867d8e8ddc19381629e41b879f05a0d603b8398b004ee73 |
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font_02_sfnt_off0000ea05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA05 | 16648 bytes |
SHA-256: 49fd8406f68203ccf158de8155d9ab373b3f1ffda87071817c9660f4ea2e3a32 |
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