MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external links, many of which point to compromised or disposable domains, indicating a link farm designed to lure users to malicious sites. ClamAV and ML classifiers have also flagged this PDF as malicious, specifically as a phishing trojan. No scripts were extracted, but the structure and URL distribution strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://buchtel1967.com/clients/26382/File/63152058933.pdf
- http://globaltruthmediagroup.com/clients/a/aa/aa8380eac451876ae6ab993bf3a720d6/File/86372243561.pdf
- http://messtores.ca/fck_user_files/file/dogawopagenapagezitimet.pdf
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/omocdvj5ui51gmvo4eppitdtpo/jumujekowisupekisux.pdf
- http://mebco.ru/images/file/67231612178.pdf
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/vm7umsfgckmh86q5jj4jgh3870/gepagaturonapitaga.pdf
- http://backupcenters.com/userfiles/file/femevopit.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/0gl904risthm8ek9mbcoom03su/laketolepotapogenak.pdf
- https://charlesstreetvideo.com/userfiles/file/zafinuv.pdf
- http://saigondome.com/uploads/userfiles/file/49206180239.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a97ded1ba42---lumomusutesesuxufuvituwu.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f1cfda7f4---salefisasesapikabez.pdf
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9e418c7c29---navazewunapat.pdf
- http://fpole.ru/sadm_files/79863988283.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4463da61f---bojozizadapekoj.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079958e79f76---25272640219.pdf
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/161201c4dbcfe8---19693328409.pdf
- https://ljlconst.com/admin/images/file/91663408778.pdf
- http://gruppocreta.com/userfiles/files/39215519011.pdf
- http://zzquansu.cn/d/files/88732555073.pdf
- https://aukshanya.promosing.com/alpha/ckfinder/userfiles/files/kidinelajiladuxep.pdf
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c680bd687a5---91641025804.pdf
- http://aal.tw/uploads/htmlupload/files/bufufujimavizegomalat.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=mimetismo+batesiano+y+mulleriano+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_off0000c83e.bin2d0aa0d96cf3c94a1e72eae7d03659b50d7a8412f798c8318b619f469a2fdf0f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC83E | 11004 bytes |
font_01_sfnt_off0000e19e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE19E | 16792 bytes |
font_02_sfnt_off0000f9b0.bind4b1cb5ff6cb114f07009c45fb5ba971a9dcb85386667116dcbe5bd4e4bb9125 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9B0 | 17224 bytes |
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