MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable domains, indicating a link farm designed to obscure the final destination. The ClamAV detection and heuristic firings for 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest a phishing or malware distribution scheme. Embedded JavaScript streams are also present, which could be used to further obfuscate the redirection or execute malicious actions.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4228
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://minlinart.com/archive/upload/files/zubibumirabevifadob.pdf In PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161342f71d4c17---157827346.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139e906daeb2---salilasumepixew.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/50a64f0045c03f7c47651cdfd8c16f0c/zakitagoradu.pdfIn PDF document text
- http://ke-sen.com/userfiles/file/1631065610.pdfIn PDF document text
- https://pnvvr.ro/userfiles/file/36945449864.pdfIn PDF document text
- https://noihoithanhtuan.com/media/ftp/file/77644162699.pdfIn PDF document text
- http://vladjurnalist.ru/archive/file/jolan.pdfIn PDF document text
- http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/depeguzimelatirupopanef.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a995834a79---61969455802.pdfIn PDF document text
- http://taeguektour.com/FileData/ckfinder/files/20210901_C22215CD33E9D566.pdfIn PDF document text
- http://champagne-marc-chauvet.com/images/files/pusejaxalezefulum.pdfIn PDF document text
- http://clinivetmadonnadirosa.eu/userfiles/files/2102146327.pdfIn PDF document text
- http://interwork.sk/userfiles/file/kuvesug.pdfIn PDF document text
- https://officialbacknumber.com/editor_up/kawolulu.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/506267d472fcbab83c1544a791d89d47/2898551733.pdfIn PDF document text
- http://rustproofingottawa.com/userfiles/file/61290129106.pdfIn PDF document text
- http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/keritariloduvumuv.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/72504208419.pdfIn PDF document text
- https://sambelteri.com/contents/files/watuta.pdfIn PDF document text
- http://garmaclima.com/uploads/ckfinder/files/14913489290.pdfIn PDF document text
- https://lmcmanager.com/ckfinder/userfiles/files/pororutebifisigisim.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/161400ded09b1f---10150517095.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/b612d8a34231f8ad03d6062b29bca57b/85792696087.pdfIn PDF document text
- http://sintjorisparochie.nl/userfiles/file/zupifumovija.pdfIn PDF document text
- http://sinostandards.net/upload/files/sofuforegakobujefelaxoti.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=the+storyteller%27s+candle+pdfPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b298.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB298 | 14344 bytes |
SHA-256: ad286d945722e9a733d08292273eca901d271e43539dcf329939f12ccc46f8b4 |
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font_01_sfnt_off0000d68f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD68F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eea6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA6 | 10736 bytes |
SHA-256: 2a4a2305feaf087dfb4eb3f4731f56c52efbb27873d5c3e443534467f13b8c89 |
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