MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links pointing to various domains, many of which appear to be compromised or disposable hosting. Heuristics indicate this is a link farm designed to distribute content, and ClamAV detection confirms it as a phishing trojan. The presence of numerous external URIs and link farm characteristics strongly suggests a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.5713
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://cheumst.com/upload/fckeditor/file/55324860478.pdf In PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a91f2923a80---ribijejuxalobujopufedu.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aaed1ebc629---48441671397.pdfIn PDF document text
- https://bahia-group.com/ckfinder/userfiles/files/36810280594.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/2ilv2f8r9p1dbhgrj1kivc7gq4/18813662254.pdfIn PDF document text
- http://studiotecnicodama.it/userfiles/files/61873158766.pdfIn PDF document text
- https://perfecthospital.org/FCKeditor/file/6053135744.pdfIn PDF document text
- http://abpaluso.com/upload/file/3844673257.pdfIn PDF document text
- https://rewaqousha.net/userfiles/files/beriwivujoto.pdfIn PDF document text
- https://merydian.pl/nowymerydian/userfiles/file/noxiliwelibabeboj.pdfIn PDF document text
- https://beautyyaurient.com/editor_upload/file/88857648523.pdfIn PDF document text
- http://www.cafeinca.com/img/public/contenido/file/98732377825.pdfIn PDF document text
- https://casabresciani.it/uploads/file/68998058966.pdfIn PDF document text
- http://japan-railpass.info/images/blog//file/94369227761.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160be41cdc7c66---setokibowogobugajitazuko.pdfIn PDF document text
- https://manajrgvaaradhi.com/cms-uploads/files/61975529953.pdfIn PDF document text
- https://biocoils.com/img/file/nelamasusukux.pdfIn PDF document text
- https://cheesykeju.com/contents//files/netikawevudagofem.pdfIn PDF document text
- https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/6d22d779dd7d75a76243063c6de6e78a/33351303665.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160747c112fc14---42063796358.pdfIn PDF document text
- http://mprime.net/ckfinder/userfiles/files/53771324612.pdfIn PDF document text
- http://alnadaoil.com/userfiles/file/wulakutarunuvarozerokonab.pdfIn PDF document text
- https://hosvagyok.hu/userfiles/file/45498709813.pdfIn PDF document text
- https://sanruouvang.net/images/uploaded/file/5841119688.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=gnu+grub+reference+manual+pdfPDF link annotation
- 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_off0001ca9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CA9C | 10764 bytes |
SHA-256: 087a56b923d0d917ec45cf221279162473ab3d5623444f43172baad3a644eed8 |
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font_01_sfnt_off0001e2ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E2EE | 19852 bytes |
SHA-256: 312ee9a82d7ab77dc1f8b8444089056bf214a1acfca9908e63d3f0e0fc385dde |
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