MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan payload. It contains numerous links to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The presence of a URL with 'windows+cannot+complete+the+password+change' in the query parameters strongly suggests a credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9203
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 http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16076acb70724f---28073679859.pdf In PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/e0cc510f0e0f18e6b512119c804b2c16/tevirevarabafitiwusi.pdfIn PDF document text
- http://sillajen.com/fckeditor/_upload/file/jabakev.pdfIn PDF document text
- http://vrtaspol.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/jukenikogovijunivemateku.pdfIn PDF document text
- https://taichielite.com/louis/taichi/ckfinder/userfiles/files/97998637671.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf659b1a75---mezalizafum.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/d815aa83e96e53e70cda8e9bf154b3ed/79478384823.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f037bcc4c---merajutubogivunuli.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/binixebo.pdfIn PDF document text
- http://musicupclose.com/clients/f/f7/f7c291dfb329fbc33054893077acf627/File/mixarazox.pdfIn PDF document text
- http://www.ufolep-69.com/contenus/files/31742143302.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2cf95554e---57907517295.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160e5782991087---58615003212.pdfIn PDF document text
- http://rybarict.cz/webpagebuilder/ckfinder/userfiles/files/90824953280.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a18998f272---88143897941.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/62463292c8b348cddf157b75eb2fa0f9/11074048103.pdfIn PDF document text
- http://piau-po21inn.com/CKEdit/upload/files/xovumasamisawilo.pdfIn PDF document text
- https://codecs.ro/images/file/79598881586.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096dd0639376---pakoritedokalitulaririz.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/i4s2r67e1kum36b6ug1irss26t/toguranimile.pdfIn PDF document text
- https://topupdana.com/contents//files/43613804526.pdfIn PDF document text
- http://edanieltour.com/FileData/ckfinder/files/20210608_7544CD7ECD88D2C7.pdfIn PDF document text
- http://www.pranabkumar.com/fckimages/file/42620613985.pdfIn PDF document text
- https://vestol.bg/files/file/jigapotojajulikujede.pdfIn PDF document text
- http://tivati.com/uploads/userfiles/file/poronegasanapuwatidimup.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=windows+cannot+complete+the+password+changePDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e646.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE646 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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