MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ClamAV and an ML classifier. It contains numerous external URIs and link farms pointing to potentially compromised websites, indicating a phishing or malware distribution attempt. The presence of embedded URLs and the nature of the heuristics suggest the document is designed to redirect users to malicious content, likely as a first stage in a broader attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://drafthe.ru/uplcv?utm_term=pixel+experience+mi+9 PDF link annotation
- http://etoprosto.ru/ckfinder/userfiles/files/digiremum.pdfIn PDF document text
- https://mmagame.com/userfiles/file/85763878843.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/6123f5b4a34e0d3f2a531e0a80f4f25c/duwatigalobonisodasetesi.pdfIn PDF document text
- http://cpviettin.com/upload/files/mosarunidirofisipepo.pdfIn PDF document text
- https://helicopterleasingservices.com/userfiles/files/74369071255.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/80f8vk2v0lmml73cr9g3lshqeq/35793502450.pdfIn PDF document text
- http://dgjinhak.kr/DATA/upload/files/202109070627185180.pdfIn PDF document text
- https://musluogluotomotiv.com/upload/ckfinder/files/79187141561.pdfIn PDF document text
- http://terralis.eu/catalogue_dynamique/file/23833292422.pdfIn PDF document text
- http://zuche0551.com/upload/file/7935984470.pdfIn PDF document text
- http://hanleyresources.com/images/77735480612.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161482952a3920---74419735620.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613448726309a---ketot.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ae13c10f86---ravisan.pdfIn PDF document text
- http://skkouty.cz/ckfinder/userfiles/files/jidutavofoganaku.pdfIn PDF document text
- http://business-plan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/71813835284.pdfIn PDF document text
- https://1000families.eu/userfiles/file/xumerozitazefiwil.pdfIn PDF document text
- http://gnox.vn/upload/files/21127323546.pdfIn PDF document text
- http://zagazzo.com/userfiles/file/bidogalagakiwajamuru.pdfIn PDF document text
- https://hotelmitrutarija.com/uploaded/files/ginunuwesit.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_off0000b09b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB09B | 17356 bytes |
SHA-256: f00eb8c582ce21c41a58d85a76f44f51dc9e1d3bcf2d9b8f3a6209398032fe27 |
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font_01_sfnt_off0000dceb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCEB | 10256 bytes |
SHA-256: 93a9dd132f9882c48f023fa9a9bf0af64dc8ddb0bba3318186c67e912b027ef2 |
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font_02_sfnt_off0000f3ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3EF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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