MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many of which point to compromised or disposable domains, as indicated by the 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links. The document body is heavily obfuscated and unreadable, providing no direct user-facing content but reinforcing the nature of the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://architettorobertafasola.eu/userfiles/files/puvuximukuvin.pdf In PDF document text
- http://aylincinarli.com/fckfiles/file/53942196130.pdfIn PDF document text
- http://yjbiotech.cn/upload/files/90534508671.pdfIn PDF document text
- http://henghuitong.com/jingkelun/userfiles/files/20210620172851.pdfIn PDF document text
- https://4of100churchstreet.com/assets/media/files/69437639978.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1608537fbea4d9---34621643649.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/1f1fb3fee123b10f28975f1a6974efa4/6132319487.pdfIn PDF document text
- http://randygordonlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/79101945782.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160881710eac81---gozipuzuvilijato.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16121af8306af2---zonaluvafuzewapeleji.pdfIn PDF document text
- https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/sibagap.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/4f32b229ccad1f08a394a10a1345d9d9/44570379153.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/4kvqddkr0j4eerhqj73g5tak8f/10448996508.pdfIn PDF document text
- https://flardochform.se/userfiles/file/3026486680.pdfIn PDF document text
- https://aimhc.com/userfiles/file/38574022211.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/e2585e3c9240c861c9f14da9a9b0f50c/karoz.pdfIn PDF document text
- http://grandchainfamilyfoundation.org/clients/85333/File/2523493241.pdfIn PDF document text
- http://www.mueblesgamez.com/ckfinder/userfiles/files/97749242890.pdfIn PDF document text
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160edfc7eed3d1---9557563268.pdfIn PDF document text
- http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/sibezixubomugigamuwosoke.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc9bb42d5ca---79800468008.pdfIn PDF document text
- http://divorce-difficile.fr/userfiles/file/lokufibozegarufujarumez.pdfIn PDF document text
- https://deepankarbasu.com/FCKeditor/file/40754157602.pdfIn PDF document text
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/ef95e539e789732725a3158a470220c5/tebokakuruj.pdfIn PDF document text
- http://opuspoint.com/ckfinder/userfiles/files/95034261113.pdfIn PDF document text
- https://saam.vn/images/content/file/12587209730.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=perspective+for+artists+by+rex+vicat+cole+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_off0000e402.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE402 | 17592 bytes |
SHA-256: 8b674d8f22ddcfb16bd2a7d8b89e59c461f7d4026b03112ca2b9a83d7e203a0d |
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font_01_sfnt_off000111d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111D4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000129eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129EB | 10932 bytes |
SHA-256: e542adaef2187729fde41f4ee17dfc672cd8993a1633693aeba985fb76cdebc9 |
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