MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting. The primary function seems to be acting as a link farm to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://laborke.ru/uplcv?utm_term=free+fullz+generator PDF link annotation
- https://munis-roquesalbes.cat/demo/vilalba/imatges/file/84173330211.pdfIn PDF document text
- http://oikoscoccatoarchitettura.com/userfiles/files/84004498729.pdfIn PDF document text
- https://sukaunited4d.vip/contents/files/kulotu.pdfIn PDF document text
- http://fujavietnam.com/images/Download/napelezesekumupeminafit.pdfIn PDF document text
- http://www.dr.schure.net/ckfinder/userfiles/files/gijuw.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/cdc15e8720930085b83d7e0df57b3194/88784637410.pdfIn PDF document text
- https://www.opsclown.it/ckfinder/userfiles/files/33633298864.pdfIn PDF document text
- http://zoscm.zohukum.com/ckfinder/userfiles/files/libofabuvobilixexarudog.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd0d1dedb8---34329497318.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161390aec25e98---pokogebelijej.pdfIn PDF document text
- https://elger.cz/fckphotos/file/pinovopolevipolesonafi.pdfIn PDF document text
- http://emachn.com/data/attachment/file/61535252632.pdfIn PDF document text
- http://sdtr.mdrap.ro/fckeditor/uploads/file/97552091031.pdfIn PDF document text
- http://nriloan.jctoursandtravels.in/files/nagajipufasoro.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/k5112q7odu7vqa12cd29lhtb7f/zazaparozotifemixagugino.pdfIn PDF document text
- http://lamekatus.ee/uploads/ckeditor/files/kisejatukuwuxafud.pdfIn PDF document text
- https://sieuthimaytinhcu.vn/upload/files/jevebigixibarijanevul.pdfIn PDF document text
- http://mwflower.com/upimagesfile///54844894209.pdfIn PDF document text
- http://homesunshinepharma.com/upload/files/60741347465.pdfIn PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/14749323129.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c62db79d94---98241854592.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_off0000bf57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF57 | 16760 bytes |
SHA-256: 39981443d3f7e7415b94e5b5559c1cc5931c137b28adec3561711ec731380ee8 |
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font_01_sfnt_off0000ea6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA6E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010285.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10285 | 10268 bytes |
SHA-256: d85e54a8dc95968ade63c447b9c94a2128402fd57a5da4b93ad2bc47dbb296f4 |
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