MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as a malicious PDF by ClamAV, specifically as a phishing trojan. Static analysis reveals it functions as a link farm, containing numerous URLs pointing to external sites. Several of these URLs are hosted on compromised CMS upload directories, indicating a potential distribution or hosting mechanism for malicious content. The PDF's structure and the presence of multiple external links suggest an attempt to lure users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4862
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://piemonteforyou.it/userfiles/file/50128064866.pdf In PDF document text
- http://afghansolar.com/userfiles/file/silepowunusidefibaser.pdfIn PDF document text
- http://bestapp4u.com/admin/uploadedfiles/file/13289041912.pdfIn PDF document text
- http://tcsklife.com/filespath/files/20210906151823.pdfIn PDF document text
- http://ampletrekking.com/userfiles/file/gazijod.pdfIn PDF document text
- https://leo.tw/upload/ckeditor/files/47444379937.pdfIn PDF document text
- https://samirkumarpaul.com/ckfinder/userfiles/files/90364311216.pdfIn PDF document text
- http://asfalon.com/__files/file/lotadefesikafage.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138583249ec6---55536709011.pdfIn PDF document text
- https://bitree.com/ckfinder/userfiles/files/nelibepejiribixedepan.pdfIn PDF document text
- http://a-kamen.com/userfiles/file/45618537335.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134e59fc3bf3---toxepuxe.pdfIn PDF document text
- http://nikkenj.com/userfiles/file/safenegibawuvi.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb5ca20fdf---gufebokefa.pdfIn PDF document text
- http://irodaszer.lukinserv.hu/file/94305925036.pdfIn PDF document text
- https://heritran.vn/uploads/news_file/ludobomatapu.pdfIn PDF document text
- http://maybaobidinhdinh.com/upload/files/9384747661.pdfIn PDF document text
- http://www.startbatteries.gr/ckeditor/ckfinder/userfiles/files/54808543433.pdfIn PDF document text
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/dadbc533fa6792ffdea19b5b10c1f53b/12239598781.pdfIn PDF document text
- https://congchung7.com/upload/file/sibok.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/161377cf678877---kaginalefojub.pdfIn PDF document text
- http://bratislava.topenglish.sk/app/webroot/gallery/files/waxologujuvoji.pdfIn PDF document text
- http://boldogelet.hu/media/bisitoxobud.pdfIn PDF document text
- http://barahi.com/assets/userfiles/files/42323836276.pdfIn PDF document text
- http://reicar.dk/userfiles/file/54656351751.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=estadistica+inferencial+excel+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_off0000bd7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD7E | 10580 bytes |
SHA-256: de03c7a9743cccd4738ce4bc260371a9e9bcdc0900827e90ae779b56f664e0e5 |
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font_01_sfnt_off0000d5c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5C0 | 16596 bytes |
SHA-256: 009ec95b5a34db34dcd786be1cff9a8b2476c9717fc4adf9c03fa3449e24375f |
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font_02_sfnt_off0001001c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1001C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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