MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised websites, indicating a malicious intent to redirect users. The ML classifier strongly supports this assessment. No scripts were extracted, but the presence of multiple external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggest a campaign focused on driving traffic to potentially malicious or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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://runningrhinelanderrabbitry.com/clients/875187/File/gelitusuwokojisu.pdf
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160988c8530dc9---teremo.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/ael27ksg47t2s9l5c5qupcrqlp/38560811164.pdf
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/b7701d60d1db016fd2667675add5938c/tozomadivapibuzoj.pdf
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/2ktcgkvvttesg4mm86ueltrnit/xepav.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6af786d79a---23040481375.pdf
- http://ahs1968.com/clients/d/dc/dcea35c349c70fb55dca458fc6558ff6/File/gamabanutafobevixubaxosov.pdf
- https://coastalstudio.com/images/main/file/86509188922.pdf
- https://akproauto.com/nbloom/fckuploads/file/29617978655.pdf
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/pdkauaq3hfnvl4vaegafrpilor/zalapomifaxuwopugimo.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a236550d109---68167916301.pdf
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7261c9de49---febataxarinova.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f49de6cd4---tawaxuv.pdf
- http://multi-accueil.fr/ressource/site-image/files/vifogezi.pdf
- https://leavereview.com/customerinterview/ckfinder/userfiles/files/mumiwedux.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/5eb851968820d7db3142b4ec5d3e8555/zabitazudikibep.pdf
- https://heatingboiler.ca/fck_upload/file/gitovepozeno.pdf
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/e91073c28f06ea39473b85252f00c69d/viler.pdf
- https://www.basur-tedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f10bd35d2f---25249023460.pdf
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/jnm7ikvlglf6mh4epjs1omjat4/fojanifazuwel.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0722bbd669---41970588085.pdf
- http://519pf.com/userfiles/files/68508161753.pdf
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/3d10efcbd79f36d2acc7199989a7b05e/matutukelu.pdf
- http://dlt-nkp.com/fileupload//file/97489614861.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=students+in+research+citi+quiz+answers
- 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_off0000eb43.bin97bce6595a57a157a2d9d1983c1b167268520f9b68190445963da70b486f4d87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB43 | 10768 bytes |
font_01_sfnt_off000103e2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E2 | 16792 bytes |
font_02_sfnt_off00011bf4.bin314bcd2f71f834ba59d3eb6934351dcb3cec42344314bef8e838cdfe97dbc65d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BF4 | 16404 bytes |
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