MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of links, many of which point to compromised WordPress sites or disposable domains hosting other PDF files. This behavior is indicative of a link farm designed to manipulate search engine results or phish users. The ML classifier also strongly flagged this PDF as malicious.
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://carlojans.com/cms/file/43951665613.pdf In PDF document text
- http://spalovnachemolak.sk/userfiles/file/fijamevi.pdfIn PDF document text
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/imhj83l2crjlvp97kjlpn6q7s0/gaziwe.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a64dd87262e---bitinatusu.pdfIn PDF document text
- http://yourtruck.be/upload/ckeditor/file/fovodobubakotovizesote.pdfIn PDF document text
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/20fab0e4ded238bfd9f1098b92b7e823/37420374088.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a51fd4598f7---tesiju.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/a309fab963f3068b8cd5d6a3ce433ab9/zokujenamat.pdfIn PDF document text
- https://tigercabinetry.com/wp-content/plugins/super-forms/uploads/php/files/da046c506fc83561cb8a5d84cd9b8a3b/45480680028.pdfIn PDF document text
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/e3cd1c3ef49bafa8dec17bedccff811b/48487432970.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609531367300a---vozajusug.pdfIn PDF document text
- https://plasy.com/uploads/file/8610433328.pdfIn PDF document text
- https://dgaspcsm.ro/ckfinder/userfiles/files/77915352087.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/06ce9973723b2903ac41ed4084517e6b/verasam.pdfIn PDF document text
- http://osmed.cz/app/webroot/files/files/83784959876.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/13b56de61e7a5c7491038ab39ce4958b/97315944132.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ee21e83af91---tejib.pdfIn PDF document text
- http://yilip.net/userData/board/file/24232877205.pdfIn PDF document text
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160806a09b8e67---64914289329.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/94a1d63872ba345ecf3fcd4e3d91a48d/38846117309.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160914ddb3e4a3---8427635393.pdfIn PDF document text
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608041282d0e9---kelelugijutakolitofer.pdfIn PDF document text
- http://dijladentalcenter-qa.com/userfiles/file/zazamolagiputomanovar.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e867b36c871---duxodujon.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=aegean+flying+dolphins+timetablePDF 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_off0000e83c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE83C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10053 | 11080 bytes |
SHA-256: 9ceefb454805985b10f6b7a95d3824306e1c6c87574441407df829ff5aaea875 |
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font_02_sfnt_off0001198c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1198C | 17740 bytes |
SHA-256: 90c882199254b8a9100c8ca64ca31a72e466cfac5a3c89979e2bee63cdd8f21b |
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