MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting it's part of a link farm designed to redirect users to malicious content. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates a common tactic where users are prompted to download an archive, likely password-protected, to bypass gateway security. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b49249ceee---17895888050.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/d04e16bdf6cfd21c646339abe7e5f1e6/19569855302.pdf
- http://lycee-elm.org/userfiles/file/fuxuzivizesaturi.pdf
- https://gizaviation.com/uploads/files/xakefu.pdf
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095b4eb66f29---46887863816.pdf
- https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/4661581688.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160787832824e2---70328829801.pdf
- http://travelport.pl/userfiles//file/volejisuxa.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/8ps3vpgjbhhamp6e1hug4vkn5k/53162814482.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/152jhh2mm8dtuo424hraogf3tg/dogevek.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/194b894b6286decc9af98e6c66e069f7/fegudewasadeteze.pdf
- https://aartipalette.com/userfiles/file/wanexorokelosujusa.pdf
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/a18d51056791a487574057d2e94a3891/bitutimulusemorixibonexaz.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160823f67d5e56---89306376181.pdf
- https://clifestyle.net/uploades/userfiles/file/44755810611.pdf
- http://hit-air.pro/ckfinder/userfiles/files/finodasowukabes.pdf
- http://bioident.pl/photos_fck/file/gogoketusaxutoreg.pdf
- http://surtek.biz/image/files/20150115_090747.pdf
- https://kovtec.pl/eurostyl/photos/file/jinivawuxemuzak.pdf
- http://mdfgiare.com/upload/files/pegebetigugifo.pdf
- https://hanahana.vn/media/ftp/file/69560331748.pdf
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4277a19b5---51828409401.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/bae0f2f5e5f3df155a833a987549c7bd/70575374237.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=time+conquers+all
- 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_off0000d4b5.bindcd72509f432e2502ac60faa3567f62f71b6cc67010582d124d8fe740f211c1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4B5 | 16924 bytes |
font_01_sfnt_off000100e8.binb8740642de3e43cbbf0c199cac5272267f53ba8d4ff115e9ffed12fb31010679 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100E8 | 10500 bytes |
font_02_sfnt_off000118c0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118C0 | 16792 bytes |
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