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. Static analysis reveals it functions as a link farm, containing numerous URLs pointing to various websites. Several of these URLs are hosted on compromised CMS upload directories, indicating a potential phishing or malware distribution scheme. The PDF's structure and embedded links suggest it's designed to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier suspicious score 0.2573
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://decaiyun.com/upload/file/2109011444373351537mva1rs773yl.pdf In PDF document text
- http://santabruna.cl/upload/file/wetodufavewoxikafa.pdfIn PDF document text
- http://studiomilano.eu/userfiles/files/23100915561.pdfIn PDF document text
- http://ginzaramen.us/uploads/files/wunalisezixarezibo.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139c6e8cb201---bomegil.pdfIn PDF document text
- https://gastriklandsbf.se/UserFiles/files/49768230559.pdfIn PDF document text
- https://culturasiapamplona.com/guiarte_userfiles/files/4947361877.pdfIn PDF document text
- http://ijdssymposium.eu/upload/57804094504.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16134cf9e59bbc---zijotaw.pdfIn PDF document text
- http://cissi.it/userfiles/files/66740081529.pdfIn PDF document text
- https://eastmangroup.org/ckfinder/userfiles/files/vowixaxirejowegivituku.pdfIn PDF document text
- https://iieng.org/editor/ckfinder/userfiles/files/nakazamojedupadegoroneki.pdfIn PDF document text
- http://ericshartman.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/20728648442.pdfIn PDF document text
- http://www.fd.ntou.edu.tw/ckfinder/userfiles/files/gitawesegegukubugovesav.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/161394c2df3d87---vozebejisu.pdfIn PDF document text
- http://ideviceplus.be/app/webroot/files/userfiles/files/soduv.pdfIn PDF document text
- http://bloemenwinkelindex.nl/images/uploads/81880494332.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/040gfl9mcgh7q3n36f5ep0a8i2/60261967765.pdfIn PDF document text
- https://bhandarisurgical.com/ckfinder/userfiles/files/gaziwevipiwasude.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-9-10/20210910193732147997.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d3fcb0881---jusurabibukiduv.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16133ade9df942---65412499451.pdfIn PDF document text
- https://network-italia.com/file/22264537123.pdfIn PDF document text
- http://eko-gospodarstwo.eu/files/file/rikuxorofivakamivumake.pdfIn PDF document text
- https://mosconi.net/userfiles/file/ditezupapatedo.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1613b10f544262---gonubedakopazazunerifida.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+change+my+phone%27s+font+stylePDF 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_off0000dc1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC1A | 10960 bytes |
SHA-256: 925f12f0a69f55760eae13110843c7b5cbca4b28b286cbb9b4edd9fa5a79bc6a |
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font_01_sfnt_off0000f579.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF579 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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