MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a significant number of embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to obscure the ultimate destination. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of numerous external links suggests an attempt to redirect users to malicious sites, likely for credential harvesting or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9800
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://boatmonies.com/uploads/files/viboxumamulorib.pdf
- http://k12kos.com/ckfinder/userfiles/files/xujurekusajitezixu.pdf
- http://www.jysunshine-hotel.com/up_files/file/12324454535.pdf
- https://ldcpc.com/ckfinder/userfiles/files/xomolipukawupi.pdf
- http://starinviter.com/ckimagefiles/felakisapiperix.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315ba726384---4558107026.pdf
- http://www.ocptecnology.com/admin/uploaded/fck/file/52496237876.pdf
- http://musicfriend.vn/public/default/ckeditor/files/nixuviviruxixa.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136203958bd7---wigimilalavaxeke.pdf
- http://wowbond.com/upload/Fckeditor/file/29528345102.pdf
- http://ecme.site/2015/vat/upload/files/2336170416.pdf
- https://inprovitparaguay.com/ckfinder/userfiles/files/70244556201.pdf
- http://www.abcklima.hu/data/editorfile/vutamimapipilo.pdf
- http://alvit-bk.ru/userfiles/file/40255036466.pdf
- https://weishinclinic.com/uploads/files/202109051738363672.pdf
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/62d88650d7b978853e9a088262a18d03/torakejibetajunifew.pdf
- http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/navaxetutinix.pdf
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/msp5t4qij9hnasd7hbeshgtijf/55126211367.pdf
- http://mateuszkucharski.pl/admin/file/jamizavirogidawa.pdf
- http://atenngo.com/admin/sites/site/documents/xurimanawolejolazubabenol.pdf
- https://wanfutemple.urwaydesign.com/data/file/userfiles/files/75667286605.pdf
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/61d4a691bb4c45544b6a74cb21075e0c/31420888767.pdf
- https://aljazeerahpetroleum.ae/userfiles/files/ziritazajukoguweramerowoj.pdf
- http://yachtales.net/admin/userfiles/files/42175526611.pdf
- http://thepnguyentran.com/media/ftp/file/wuzorirafopupinugubimax.pdf
- http://ozdesignhouse.com/app/webroot/uploads/files/winaluru.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=android+emulator+set+location+not+working
- 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_off00011fd9.bina084f03a41fab912ba2174713ed23bac154825efdb4d156eaac6444aa1b74eb9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD9 | 10972 bytes |
font_01_sfnt_off00013935.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13935 | 16792 bytes |
font_02_sfnt_off00015147.bind5505554f483de03f7c5d0d5e551da055599426f217badfe432a70a33a3fe1c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15147 | 18044 bytes |
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