MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating it is likely a phishing or malware distribution lure. It functions as a link farm, containing numerous URLs that point to compromised WordPress sites and other domains, likely serving as a distribution point for malicious content. The embedded URLs and the heuristic findings of a 'link farm on disposable hosting' strongly suggest an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.8295
Heuristics 5
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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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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://ketchas.ru/uplcv?utm_term=puritanism+in+scarlet+letter PDF link annotation
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092e0c64531c---15680589093.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb740787206---zifexafiralixuroj.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee62dcbcc30---ganamogudedesafonubasuse.pdfIn PDF document text
- http://usagimatur.com/files/others/fodigapuximotiruxajamot.pdfIn PDF document text
- http://c2r-auto.com/uploadfiles/file/2021070815220673499.pdfIn PDF document text
- https://broadcasthub.com/ci/userfiles/files/jazumuxukofudaperalavo.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160afa283e54da---70889645210.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f2db9b04b35---wiruxufejode.pdfIn PDF document text
- http://vasvaripalmuzeum.hu/upload/file/tidod.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16078d6cb6b032---vimebolakizilegunab.pdfIn PDF document text
- https://panificiopasticceriabattaglia.it/file/ketomiruga.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c57686926a9---39549426838.pdfIn PDF document text
- https://hunghiephuylog.com/upload/files/gofojar.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16095cea0e11a0---zigujubowologalafo.pdfIn PDF document text
- http://businessplan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/xajuwamiluxutidigosov.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/dn7vugf64nr76bl4dc0f7t283j/wazurawilewutum.pdfIn PDF document text
- http://acpiindia.com/userfiles/file/40507256338.pdfIn PDF document text
- http://agierresrl.it/userfiles/files/velelamidodadi.pdfIn PDF document text
- http://funperm.ru/content/file/tafilidenub.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/buvad.pdfIn PDF document text
- http://timeyear-v.com/userfiles/file/xubipuwagefe.pdfIn PDF document text
- http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/54505605334.pdfIn PDF document text
- http://taiwangallant.com/uploads//files/202108091328587275.pdfIn PDF document text
- 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_off0000d978.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD978 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f18f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF18F | 10372 bytes |
SHA-256: 83e28617b917790dd9fb9c65e16af4f31d95450d7fcf1b7ba1eeaae515fac45c |
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