MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating it is likely a phishing or malware delivery attempt. It contains numerous embedded URLs, many pointing to compromised CMS upload storage or disposable hosting, forming a link farm designed to redirect users. The presence of external URI heuristics and the overall structure suggest the primary goal is to lure victims to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.5692
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://infrive.ru/uplcv?utm_term=olympus+pen+mini+e-pm1+instruction+manual PDF link annotation
- http://hc6999.com/userfiles/files/medugavoraju.pdfIn PDF document text
- http://www.39koratmachinery.com/file_upload/files/48597390488.pdfIn PDF document text
- https://inprovitmexico.com/ckfinder/userfiles/files/ranik.pdfIn PDF document text
- http://klasykarozrywki.pl/public/images/fck/file/11860954704.pdfIn PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d31dab6fa---lifiji.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160abaa7518572---9959750288.pdfIn PDF document text
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/933f8e364929df5f4abcd31542bc6138/vinerukiwez.pdfIn PDF document text
- https://condicionamentofisico.com/arquivos/file/rivanuzexuxad.pdfIn PDF document text
- http://kammatrans.com/userfiles/files/latuzofijasawejaxaxok.pdfIn PDF document text
- https://churchofgodinjamaica.org/app/webroot/files/geberagufop.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/du465r8ppok2edt85frda299r6/15899058090.pdfIn PDF document text
- https://canevastoilestjean.com/upload/editor/file/sazebemu.pdfIn PDF document text
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/voie4nsc9cvu9g6aies5fabtar/selewijubemejexisisolu.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076aeddcf267---komisatalubuga.pdfIn PDF document text
- https://advertisementnepal.com/ckfinder/userfiles/files/joniliju.pdfIn PDF document text
- http://wskinbody.com/data/boardData/files/96040385062.pdfIn PDF document text
- https://songod.vn/uploads/image/files/rifuz.pdfIn PDF document text
- http://homelife-superstars.com/image/files/96380120505.pdfIn PDF document text
- https://mdteam.se/ckfinder/userfiles/files/jigepixus.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160be7fc370977---77800157124.pdfIn PDF document text
- https://recapress.com/ckfinder/userfiles/files/396377305.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/010857453813.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9c8d385ba---rorotov.pdfIn PDF document text
- https://faceless.me/userfiles/files/mezisolumatamosusum.pdfIn PDF document text
- https://aterhesseg.com/up_image/file/16364950196.pdfIn PDF document text
- http://outspokenholland.com/userfiles/fckFile/20210522113611.pdfIn PDF document text
- 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_off0000ceea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEEA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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