MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites and disposable domains, suggesting a phishing or redirection scheme. Heuristics indicate this is a link farm designed to lead users to external content. ClamAV detection and ML classification confirm its malicious nature, likely as a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd84162fdbb---8511745911.pdf
- https://tjpapigroup3.com/contents//files/faneb.pdf
- http://anipetkingdom.com/webroot/img/files/vosarekuluvatupukuwo.pdf
- https://hanurichurch.org/ckfinder/userfiles/files/vamalitosefetan.pdf
- http://www.vegagastro.pl/upload/file/35887151254.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/bbab907aa44149601f20bd35d883c76b/86560090795.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/980a3d046d0503691765605a56930286/riletatuwapawetosi.pdf
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4f89233bb0---bumodumo.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/ua8t7dq4k3j54h6ohbm955oi8t/21708976065.pdf
- https://fototipia.hu/files/files/19038757327.pdf
- http://cjmjwarrickhudsonfamilyreunion.com/clients/9/9b/9be434dcd9982d5451de1b36a82eb828/File/12360676857.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a0c6280cd---valapesipamazazotenejiv.pdf
- http://tks-forever.com/upload/2021/06/24/file/kunabodotot.pdf
- http://nhuaduongnhapkhauaz.info/upload/files/fufit.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad616001311---93365731942.pdf
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/b2017eca5321406dd5fa3f824cafbcd1/54502384825.pdf
- http://kath-kiga-bw.de/bilder/berichte/file/lakitapagatogu.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160931258da7c9---15845320141.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/hhcjsohpnnaltev4jabn6sio0m/17235380735.pdf
- https://surupaceanu.ro/ckfinder/userfiles/files/48551340228.pdf
- https://acavacecio.it/userfiles/files/viwemuxagotuxuzevaruv.pdf
- http://alexanderkanevskyartistbiography.com/clientMedia/file/59452549781.pdf
- http://alfavs.eu/userfiles/file/sotugufeg.pdf
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/31e214ab51cf0e5e3b991c6ece7420bc/nivejatez.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=sports+card+convention
- 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_off0000caba.bin66ae5f887d13d5efc5a9f1584eadc68ee0b6974809000810aba317960a2d85bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCABA | 10600 bytes |
font_01_sfnt_off0000e319.bin8035d0d8bc4e0a1634966f2d90106bdfe7e7966ea063ff3932148f58c9ae7c65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE319 | 17220 bytes |
font_02_sfnt_off00011060.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11060 | 16792 bytes |
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