MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms the nature of the PDF as a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://medvor.ru/uplcv?utm_term=today+nepal+gold+price+1+tola PDF link annotation
- https://gmnavarra.es/ckeditor/files/tagemusebetalokuladizom.pdfIn PDF document text
- https://www.mtiwelding.co.uk/admin/ckfinder/userfiles/files/20991139597.pdfIn PDF document text
- https://ecableapp.com/FCKeditor/FCKimgUpload/file/50535140690.pdfIn PDF document text
- http://allgeology.ru/ckfinder/userfiles/files/21406601387.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/16165ee862d6f0---44627302409.pdfIn PDF document text
- http://minipowerpack.net/upload/files/fusasikufesasaru.pdfIn PDF document text
- https://yar-net.ru/userfiles/file/disusinimiwesexajuxune.pdfIn PDF document text
- https://serihosting.com/calisma2/files/uploads/vukaroj.pdfIn PDF document text
- https://amatnieks.com/pictures/image/83944305583.pdfIn PDF document text
- http://carrozzeriardue.it/userfiles/files/60175237310.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/tutawog.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/161481d6510fc3---simavotokexidixow.pdfIn PDF document text
- http://nessium.net/userfiles/file/balol.pdfIn PDF document text
- https://eco-building.cz/UserFiles/File/In PDF document text
- http://majedalkarkhi.com/pics/file/jevubafigudasi.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144487826cdc---xesogenojiwamizojowis.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141bd0b994c0---9347115668.pdfIn PDF document text
- http://hoangnampte.vn/quangbasanpham/app/webroot/upload/image/files/savojuba.pdfIn PDF document text
- http://tuyendung.btccorp.vn/uploads/files/rotijidilinixedonovukuraw.pdfIn PDF document text
- http://rocincorporated.com/domain.com/images/dynamic_pages/file/baferapefetadazudupewus.pdfIn PDF document text
- https://oxfordjsr.com/userfiles/file/sifegixarovebujelivusid.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/161319cb62a92b---xuwamupid.pdfIn PDF document text
- 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_off0000fcc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCC2 | 10648 bytes |
SHA-256: 1c32b464e6962f75bb51768802713173dac3d090361a7d0a0213126b524e0dc2 |
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font_01_sfnt_off00011516.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11516 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012d28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D28 | 19932 bytes |
SHA-256: dca07b8af21e5f7a850d3777d8330a2e92ad43020a8424888d1d3894b4679900 |
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