MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to disposable hosting, indicative of a link farm designed to redirect users to malicious content. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest a phishing or malware distribution scheme. The ClamAV detection and ML classifier further confirm its malicious nature, likely serving as a lure for initial access via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ketchas.ru/uplcv?utm_term=freshmaza+south+movie+download
- http://zhengfutz.com/v15/Upload/file/2021941430511659.pdf
- https://rusepress.com/uploads/wysiwyg/files/lumobif.pdf
- http://pathtojanna.com/userfiles/files/55223265918.pdf
- http://privateeducation.sg/verzsape/demo/upload/admin/files/58618585685.pdf
- https://isuzuphonoi.com/data/dulieu/files/nugopid.pdf
- http://caythuocdangian.net/images/files/tefizi.pdf
- http://fra2ange.it/userfiles/files/50240908847.pdf
- https://xulynuocphangiathinh.vn/images/pic/file/gukeleg.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/161355a8583be8---40228791640.pdf
- http://liga-stf.ru/i/upload/files/10701812120.pdf
- http://nhasachnguyenvancu.com/Images_upload/files/pipokatijamug.pdf
- http://tjsijiqing.com/ckfinder/userfiles/files/2021/0910/c68c8169524a74f5b2c1de9fba4c2672.pdf
- http://jmlukanich.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vavinakejiwit.pdf
- http://alfavit.tv/userfiles/file/vupobime.pdf
- https://www.agencesramos.com/ckfinder/userfiles/files/5791328141.pdf
- http://resheto.ru/users_images/fck/file/2661455572.pdf
- https://groupekineconcept.com/userfiles/file/17034618197.pdf
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161315067e70dc---88478197183.pdf
- https://melz-feu.ru/upload/48463721098.pdf
- http://soc-in.com/data/media/files/95881534249.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/d88f1bf03346493545496a825bc5fa42/76488067145.pdf
- http://zzzwchem.com/upload/files/34117941034.pdf
- https://pnp-studio.com/fckeditorfiles/file/fexukodewal.pdf
- http://seatraderhk.com/userfiles/1070492258.pdf
- http://gorillatheory.com/admin/upload/file/26459490455.pdf
- http://babyindex.nl/images/uploads/77310640871.pdf
- 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_off0000e06c.bin875effe9be952163867ba73907f7818230922f6b9d200de2743f9084496321a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE06C | 17692 bytes |
font_01_sfnt_off00010da7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DA7 | 16792 bytes |
font_02_sfnt_off000125be.bin8d4fb79329e5c3cce1497499c7a9e1ebdf953f057c6cf063f782a0f75d729186 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125BE | 10800 bytes |
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