MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised websites and disposable domains, suggesting a phishing or malware distribution attempt. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a deliberate effort to obscure the true destination. ClamAV detection as Pdf.Phishing.Trojan further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.8507
Heuristics 5
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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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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://queure.ru/uplcv?utm_term=download+az+screen+recorder+mod+apk PDF link annotation
- https://gegeny.hu/uploads/file/kutaweselizorexalusoduj.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161378e6063f76---77545831219.pdfIn PDF document text
- http://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/25426910587.pdfIn PDF document text
- http://sintellect.ru/Repository/file/vexebamaxas.pdfIn PDF document text
- https://strechybenesov.cz/content/nadalukipofavox.pdfIn PDF document text
- http://profitoolinfo.ru/ckfinder/userfiles/files/28791935016.pdfIn PDF document text
- http://pekingtogo.com/uploads/files/67027488107.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/2cehk2a3qqok4j5cgpv04uk093/58215645671.pdfIn PDF document text
- http://annabarons.lv/files/files/82305683506.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/dir80scpo561ls4gci7vvqfmm7/10833666343.pdfIn PDF document text
- http://fabiocaronearchitetto.com/userfiles/files/bedimodezarozo.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/iuka05to82pdvd8tcifadrcuem/75546359088.pdfIn PDF document text
- http://claudiamelchior.it/images/file/puvixuzi.pdfIn PDF document text
- https://bodymart.in/ckfinder/userfiles/files/17766191716.pdfIn PDF document text
- http://yearbookplus.com/uploads/ckfinder/files/begeg.pdfIn PDF document text
- http://ahzycw.com/upload_fck/file/2021-9-8/20210908022625739964.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161356fee306d5---vobobelapesabom.pdfIn PDF document text
- http://delta-serwis.pl/pliki/zisatolidiget.pdfIn PDF document text
- http://rockpapersun.com/upload_mce_image/file/33480498017.pdfIn PDF document text
- http://samocvet.org/foto/ck/files/mililewub.pdfIn PDF document text
- http://phuketdriveschool.com/userfiles/file/pitejinifeju.pdfIn PDF document text
- http://xn--66-6kc8bfmkmjd.xn--p1ai/admin/ckfinder/userfiles/files/48790083791.pdfIn PDF document text
- https://viceda.com/userfiles/file/10011521420.pdfIn PDF document text
- https://inprovitvenezuela.com/ckfinder/userfiles/files/dumamibi.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_off0000edc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDC5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000105d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D7 | 17664 bytes |
SHA-256: 835eefbe8cde3824d2af49cd8a452279e7c1e64fe813b508d10bd561dfdc8ecd |
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