MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many hosted on compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The ML classifier strongly indicates maliciousness, and the presence of embedded URLs points towards a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and URL patterns are indicative of a malicious document, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/klcr5bt4jsou9k6bfd12onv2t7/72447741397.pdf In PDF document text
- https://myphi.biz/nbloom/fckuploads/file/45883523088.pdfIn PDF document text
- https://armagedonspedycja.pl/files/file/sunomekapupud.pdfIn PDF document text
- http://taitung-house.com/CKEdit/upload/files/13419419003.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609704ce6a83a---taxop.pdfIn PDF document text
- http://beauty214.com/uploads/files/202108220816447556.pdfIn PDF document text
- https://saleskerala.com/ckfinder/userfiles/files/51893087934.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/3ut1i2gl3jhubnv1p2rg83tqrg/misafopuzoxuwezamiveni.pdfIn PDF document text
- http://henri-ruch.ch/doc_pub/file/17247168972.pdfIn PDF document text
- http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/regateja.pdfIn PDF document text
- http://atomleasing.ru/media/File/jamarukatoxotijoj.pdfIn PDF document text
- https://people11people.gr/uploads/File/golezipasisituzowipetugif.pdfIn PDF document text
- http://fishtech.org/uploads/userfiles/file/file/86297497645.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/04304c5ab993cb620204fba95422c96c/vuzijukixuvori.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097c88ceb598---72240066622.pdfIn PDF document text
- http://cjcounsel.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kajola.pdfIn PDF document text
- http://viermaalh.nl/Bottesteyn/Site/afbeeldingen/file/95886061911.pdfIn PDF document text
- http://trivio.it/userfiles/files/digunatavuk.pdfIn PDF document text
- http://4grd.com/cmsimages/file/daxezeraduj.pdfIn PDF document text
- https://himalayanthailand.com/image/upload/File/86786867823.pdfIn PDF document text
- http://seoulsquare.com/userfiles/file/zogunapofal.pdfIn PDF document text
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/7612e018bc2f3feee9a72bed17668f56/76408060801.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe678744d9e---18460987114.pdfIn PDF document text
- https://giorgiosantinelli.it/file/bogezosemupip.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=pdf+editor+tool+onlinePDF 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_off0000f11c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010933.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10933 | 10020 bytes |
SHA-256: a4d472ed095e13a8deeb33c51f5174d9add0d21ec0a309440d3b02dd6c8b7bc8 |
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font_02_sfnt_off00011f7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F7D | 19008 bytes |
SHA-256: 3706a7da3b677fbe84719f30e315bd493511090c69d35d8ca5e0dcdf7b4aa0cd |
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