MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected by ClamAV as Pdf.Phishing.Trojan. The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories, suggesting a phishing or malicious redirection scheme. The presence of a link farm on disposable hosting further supports a malicious intent to distribute harmful content or phish users.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3897
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 http://yishiweb.com/upfiles/files/20210904_210704.pdf In PDF document text
- http://tcihk.com/userfiles/28535291477.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/44331172625.pdfIn PDF document text
- http://ipsaix.com/ckeditor/ckfinder/userfiles/files/58491177637.pdfIn PDF document text
- https://agroadvanced.com/app/webroot/newsletters/editor/files/vurukexijoman.pdfIn PDF document text
- https://godahoian.com/app/webroot/upload/files/nofuwelilifojo.pdfIn PDF document text
- http://anabakorea.jp/userfiles/file/55265129933.pdfIn PDF document text
- http://singer-island-condos.com/userfiles/files/rutubumevilaverubupubit.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/bp527pggvlvsnpu896tlc5g2ae/dasojexitaxitebeb.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/629d8c086b8fc00f4ca4ffbfe5691aee/wazatakesazefupibo.pdfIn PDF document text
- http://tecsun-moscow.ru/docs/file/89171316722.pdfIn PDF document text
- https://wtmasonry.com/ckfinder/userfiles/files/8840157883.pdfIn PDF document text
- http://kayapalinakliyat.net/file/84445047338.pdfIn PDF document text
- http://www.awakohchang.com/image/upload/File/5693748123.pdfIn PDF document text
- http://canavesiobruno-architetti.it/userfiles/files/73381946383.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc6063675e---soxetibizor.pdfIn PDF document text
- http://ski-experience-japan.com/images/blog/file/zavuvemuwusa.pdfIn PDF document text
- http://orzo.cz/uploaded/files/12745347858.pdfIn PDF document text
- http://bangkokmagnetwire.com/ecodev_test/image_system/files/kekigozigejakit.pdfIn PDF document text
- https://morethancars.eu/uploads/edytor/file/15628260645.pdfIn PDF document text
- http://nutrizionisti.eu/public/thread/risorse/file/55690956423.pdfIn PDF document text
- http://fuguchair.com/upfolder/e/files/20210921170547.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/16138d05435166---mogegifi.pdfIn PDF document text
- http://yourtruck.be/upload/ckeditor/file/84069893608.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=invincible+graphic+novel+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_off0000f372.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF372 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010b89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B89 | 10792 bytes |
SHA-256: 31b565f9adb3800bd67d6f1f42949cfa29edcd2f7834fb1e28c07abf1792170d |
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font_02_sfnt_off000123d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123D2 | 18044 bytes |
SHA-256: 0fbc24532221fc4b19922eafd2697ef167a93607d2b1dd01211b3f9d63e28ae2 |
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