MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many of which point to compromised websites or disposable hosting, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://sunwisechem.com/Uploadfiles/files/25420848483.pdf
- http://urparitet.ru/admin/ckfinder/userfiles/files/98429759597.pdf
- https://kalyna.ua/sites/default/files/userfiles/file/rotupaputa.pdf
- http://nhactheducthammy.com/upload/files/zutuse.pdf
- http://ozanatalan.com/iboard/includes/userfiles/files/85995192005.pdf
- http://dlt-nkp.com/fileupload//file/tofinosojotap.pdf
- http://richmediahouse.com/admin/uploads/file/solujur.pdf
- https://mimpiindah168.com/contents//files/17195445571.pdf
- http://aozbt.com/clients/3/33/335f642cf73e2ad82edc7dd4a76dad4e/File/19380124026.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/6un1hieqird5vdkj7odlac9i4n/levipuvolukis.pdf
- http://holidayservicemarsala.it/userfiles/files/8917497953.pdf
- http://keifo.ru/ckfinder/userfiles/files/damipa.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092f10d52e11---83722046722.pdf
- http://ecohost.ru/pics/images/file/19316149280.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/43ft88unvtb6g2i03jn8etb0o0/77772611458.pdf
- https://aljazeerahdrilling.com/userfiles/files/dinigide.pdf
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/f12d2fd864689a0e964885a09e9a060c/tefigizox.pdf
- https://bonekarusa.com/contents//files/27605085898.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf1fb56c65f---87689565755.pdf
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16093cb9500196---62219821199.pdf
- https://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/8c7448be3b1b5573cfd3d47ed614fe18/90063705285.pdf
- http://zaragozalawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/554349981.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=are+1990+marvel+cards+worth+anything
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000149d9.bin83e154f1eaf839fb148e4460d9cb7934973b267855ca010639e27b8b7eacd5b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149D9 | 18364 bytes |
font_01_sfnt_off00017a6c.bin7ddd05397b891708322ee689fbd3501009809051cb91b18fa0de6fb75b66a36e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17A6C | 11404 bytes |
font_02_sfnt_off00019522.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19522 | 16792 bytes |
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