MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting. The ML classifier strongly indicated maliciousness. The primary function appears to be acting as a link farm, likely to distribute malicious payloads or engage in SEO abuse, rather than delivering direct content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133c62e9f591---84102103279.pdf In PDF document text
- https://feltshoe.com/userfiles/file/14573435179.pdfIn PDF document text
- http://ros-grad.ru/fck_editor_files/files/niniligemugofoziwoda.pdfIn PDF document text
- http://thucphamchucnangmy.vn/uploads/files/watagosanaligav.pdfIn PDF document text
- http://andreevka.topmebli.com/content/xuploadimages/file/vukixa.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/40543da32adb49cc7e8aa1f4737e5377/ledamorisixag.pdfIn PDF document text
- http://nessium.fr/userfiles/file/zekovilanezadiwobigazi.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1614c35f60c253---80306848609.pdfIn PDF document text
- http://apartmany.cucoriedka.sk/data/files/parefufija.pdfIn PDF document text
- https://implant-drill.com/userfiles/file/jeresejaberexevatodedi.pdfIn PDF document text
- http://studioriboldi.eu/userfiles/files/turugexolufibejefe.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/nopoxuso.pdfIn PDF document text
- http://gurgaontaxi.com/pa/trainstation/uploads/image/file/wireloxefexodof.pdfIn PDF document text
- http://vesimport.ru/userfiles/file/dugikozaxutosuwumunub.pdfIn PDF document text
- http://mrcookie.tw/upload/editor/file/161821237952.pdfIn PDF document text
- https://printjet.pl/pliki_user/File/11221816667.pdfIn PDF document text
- https://ntpuvoice.com/ckfinder/userfiles/files/7318687155.pdfIn PDF document text
- http://resortvillairene.it/userfiles/files/91419020171.pdfIn PDF document text
- http://hodoan.net/userfiles/file/89594050025.pdfIn PDF document text
- https://akvanova.ru/sites/default/files/98524884919.pdfIn PDF document text
- https://adikketiga.com/contents/files/88440659943.pdfIn PDF document text
- https://nullemont.fr/nullemont/ckfinder/userfiles/files/89288139096.pdfIn PDF document text
- https://forumhrdbekasi.com/webroot/userfiles/files/bezirunegujapamuwezatire.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16141a9d5a8ab6---98579141731.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=kako+osloboditi+memoriju+na+androiduPDF 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_off00011233.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11233 | 17748 bytes |
SHA-256: cfd7b442f0fe1ef084125faf2c5ed3ed8052385355342ba24ce24db764f367f9 |
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font_01_sfnt_off00013f65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F65 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001577c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1577C | 10864 bytes |
SHA-256: e7b1759255084c4cc3185723d60a4855c7187a5c30c42af2cdc811b23ab4156a |
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