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 a link farm pointing to multiple compromised or disposable domains, suggesting an attempt to redirect users to malicious content. The presence of external URIs and link farms indicates a likely phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://dison.cn/filespath/files/20210909065734.pdf
- https://nocnepal.org.np/ckfinder/userfiles/files/36626237336.pdf
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/846948f42ea66bddf016eb557e56551b/kizoge.pdf
- http://aitrans.cn/UploadFile/file/F1202109091850286826.pdf
- https://rt-totaalafbouw.nl/userfiles/file/visatovedumibodododazosi.pdf
- https://hoangphatdanang.xetnghiemadndanang.com/uploads/image/files/75505940015.pdf
- http://binhchuachay.info/Images_upload/files/rarawolofeburusivorefe.pdf
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613990f85e86f---ragekajidetusifeka.pdf
- https://iuoshili.com/upload/users/files/24969730530.pdf
- https://jimsdelibrookhaven.com/demo/jimsdeli/admin/userfilesfile/ninub.pdf
- http://archetipoingegneria.it/userfiles/files/16333962051.pdf
- http://partiaweb.com/upload/files/vubivofuletulukenal.pdf
- http://boothbayharborshipyard.com/userfiles/file/togapilewafiwovu.pdf
- https://luatsubienhoa.com/upload/ck/files/xamed.pdf
- http://veterinariomauracotti.it/userfiles/files/nonepefidulotugina.pdf
- https://genegurumiraclehealer.com/userfiles/file/faxudirunozulutekagi.pdf
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613528562ca88---vudeziwamawawega.pdf
- http://praconsulgroup.ru/pict/file/15246668545.pdf
- http://placidlakes.com/larpm/uploads/file/99891853620.pdf
- http://28777886.com/Lpf/UPFILE/userfiles/files/fazutigutuzaguvafumu.pdf
- https://mannoorpally.com/uploads/file/zubavomexuzomexid.pdf
- http://artstudiodesign.it/userfiles/files/54447685556.pdf
- http://secureyun.cn/uploadfile/file///2021091315373333.pdf
- http://cachnhietwin.com/luutru/files/luneluxuxukeke.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=watch+skam+season+3+episode+1
- 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_off0000ed59.bin41823d29bc7779fc2eb829b0994846220967a0dc1d2f5e59844ae28fa1af0161 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED59 | 17600 bytes |
font_01_sfnt_off00011b1e.binfacd0fe267871c1ced2881bddee0d87b1169a67bd41d4e4aa32382b656daf194 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B1E | 10944 bytes |
font_02_sfnt_off00013474.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13474 | 16792 bytes |
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