MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to lure users to malicious content. The ClamAV detection and ML classifier further support its malicious nature. The presence of external URI and link farm heuristics suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.5505
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://xn--66-6kc8bfmkmjd.xn--p1ai/admin/ckfinder/userfiles/files/rumibupejogu.pdf In PDF document text
- https://razredna-nastava.net/files/lofanolubukonuwab.pdfIn PDF document text
- http://divorce-difficile.fr/userfiles/file/90622757462.pdfIn PDF document text
- http://zangerlelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zusokoxurininuzi.pdfIn PDF document text
- http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/85988798942.pdfIn PDF document text
- https://marblobathware.ph/app/webroot/img/files/rabipon.pdfIn PDF document text
- https://guapa2.com/admin/fck/file/wokuzuzulalubomafimasove.pdfIn PDF document text
- http://verkaufs-akademie.com/userfiles/file/bagenusexenukokutupota.pdfIn PDF document text
- http://www.first-classlogistics.com/image/upload/File/49353695731.pdfIn PDF document text
- http://zensushialiso.com/uploads/files/52417065697.pdfIn PDF document text
- http://dancephoto.ru/userfiles/files/zefesuzetenus.pdfIn PDF document text
- https://hediyelikhanem.com/calisma2/files/uploads/sadurezuxike.pdfIn PDF document text
- http://xn----8sbemnkjd7bfu.xn--p1ai/design/img/upload/file/lusonavafubuwatese.pdfIn PDF document text
- http://truhlarstvisollner.cz/data/file/66060709514.pdfIn PDF document text
- http://clinical-pain.com/pds/userfiles/files/85998370235.pdfIn PDF document text
- http://templeton.sk/userfiles/file/fasofe.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f98eade916---69314863354.pdfIn PDF document text
- http://slkuang.com/v15/Upload/file/2021913711565357.pdfIn PDF document text
- http://liubeauty.com/luutru/files/jiratejij.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/aaf693d8871a45de36f39126747c3f81/noguzelapajamet.pdfIn PDF document text
- https://cs-nippon-cp.com/mailmagazine/upload/files/wubem.pdfIn PDF document text
- http://dailyxedayhang.com/userfiles/files/sonoripudusetosuzezokiti.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/ajpbk88rbak33mvgfs90n3kmve/27346954833.pdfIn PDF document text
- http://rund-sro.cz/UserFiles/File/46564104200.pdfIn PDF document text
- https://rts-wm.com/ckfinder/userfiles/files/lerumakeve.pdfIn PDF document text
- https://alev.az/userfiles/file/sodafupagewapafumikewim.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=dodge+master+mod+apkPDF 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_off0000b2cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cade.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCADE | 16656 bytes |
SHA-256: 4bb0e6eb40edeb3f564b8645d31fc86066b20735fd56bf752454358d386cd825 |
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