MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or malware distribution attempt. Heuristics identified it as a link farm pointing to compromised WordPress uploads and other disposable hosting, suggesting an effort to obscure the ultimate destination of the malicious links. The embedded URLs are likely part of a campaign to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.7561
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://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fb188137be---28693226017.pdf In PDF document text
- https://k-barrierfree.com/FileData/ckfinder/files/20210920_8D7C69032F193CA4.pdfIn PDF document text
- http://domario.ru/userfiles/file/47961328485.pdfIn PDF document text
- http://sung1.com/upload/files/kaxig.pdfIn PDF document text
- http://www.accessibilite-salle-eau.com/ckfinder/userfiles/files/21626161939.pdfIn PDF document text
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/bazugoxudonemi.pdfIn PDF document text
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/50187575303.pdfIn PDF document text
- http://hzxf.com/images/upload/File/nidazuxesuveloxudufozasis.pdfIn PDF document text
- http://sbnjl.com/userfiles/files/19470407289.pdfIn PDF document text
- https://jck.ro/userfiles/file/42875653599.pdfIn PDF document text
- http://tygodnikzuzlowy.pl/ckfinder/userfiles/files/wuxutuxodadure.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/kf6olg4pmdkivnmohrs7fsr3c7/fizafivawewifuvokowa.pdfIn PDF document text
- http://studioingegneriavaragnolo.com/userfiles/files/wusakoregepupofedezur.pdfIn PDF document text
- http://greece-ex.com/images/blog/file/58611341489.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/g2revi41ura66lcmtis4tefm6q/gadodematafawapimafokara.pdfIn PDF document text
- http://viethanit.vn/hinhanh/file/14924641801.pdfIn PDF document text
- http://yomamasushitogo.com/uploads/files/70359226699.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebeadccd17---berez.pdfIn PDF document text
- https://autotoner123.com/home/autotone/public_html/ckeditortest_WORKING/ckfinder/userfiles/files/87944072012.pdfIn PDF document text
- https://ivanamihic.com/files/23305604226.pdfIn PDF document text
- https://bomando.bomsolar.com/uploadfiles/files/34213631413.pdfIn PDF document text
- http://workcoop.org/fckeditor/userimages/file/20210918025826.pdfIn PDF document text
- http://buydecor.ru/uploads/files/zerusozotuzajalejevipug.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=the+hardest+game+onlinePDF 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_off0000e4ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fcc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCC0 | 18100 bytes |
SHA-256: a897384bc25711bbc2232719f0f32bb7c6961363f313eae8a85e4e2dbc2707f5 |
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