MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of an IP address literal in a URL further increases suspicion. The primary attack pattern involves luring users to download a secondary malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.5876
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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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 https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/e2a3c7705688cf72c37dfea33075a170/zoxumeze.pdf In PDF document text
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/16086009a941a3---86715081143.pdfIn PDF document text
- http://ccsctda.com/ckfinder/userfiles/files/20210814_070807.pdfIn PDF document text
- http://178.62.148.222:300/ckeditor/ckfinder/userfiles/files/wimagemowugimab.pdfPDF link annotation
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f8049d38ab8---mafezibanajewuwijupubela.pdfIn PDF document text
- http://stroisvias.ru/userfiles/file/vujakugejawukoxogesa.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1607dda307c560---nuxuvelow.pdfIn PDF document text
- https://noticky.net/akce/fotky/file/58945328340.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c239272eefa---25275432924.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/00c303beb6dfd338869cffe2d846c465/xibufovobawapirewawerag.pdfIn PDF document text
- http://cosyromania.com/media/file/45476126064.pdfIn PDF document text
- https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/2ae1d85d9e9d642986e99a2984d75f46/zodoj.pdfIn PDF document text
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/0g8sf4s8p91p1qgg9u977hncna/tafowabarabagigenafedagek.pdfIn PDF document text
- http://artwatch.ru/userfiles/file/76688835863.pdfIn PDF document text
- http://mnogonomerov.ru/uploads/file/wopurakegetekasej.pdfIn PDF document text
- http://detikakdeti.ru/img/file/tusifefamanexa.pdfIn PDF document text
- http://kapsalonvogue.nl/files/file/63909515381.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aac96b9a4ca---revelonakejakawapil.pdfIn PDF document text
- https://betalinktech.com/blmedia/file/53537993874.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/6b2b117450e0e1de998ae9fed8d7d51a/49887771644.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/16071c44a0f357---rinit.pdfIn PDF document text
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/kcjjp4gi30erdvk5ovckn57g7t/gesopadeki.pdfIn PDF document text
- http://norilskgu.ru/userfiles/file/moraz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=baixar+livro+administra%C3%A7%C3%A3o+estrat%C3%A9gica+e+vantagem+competitivaPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e6f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF10 | 11696 bytes |
SHA-256: 1da9b1c78a65b2001560a20156e43583131193e12e98fd20fd808cdfad62ebcc |
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