MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lead users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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://riverside-plaza.com/upload/userfile/files/1778139591.pdf In PDF document text
- https://mountainbrookbuilders.com/home/mountain/public_html/ckfinder/userfiles/files/75304932213.pdfIn PDF document text
- https://k-barrierfree.com/FileData/ckfinder/files/20210913_AE8AE216A22AEF4F.pdfIn PDF document text
- https://dcimx.com/files/botokisunubopa.pdfIn PDF document text
- http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/97425441.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/2ime02uoadj220lqle940pje27/bumuxexolixibop.pdfIn PDF document text
- https://turasmobilya.com/img/editor/image/file/jujujezobadaxuz.pdfIn PDF document text
- http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bavixizukafasezejifedawu.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/161326730dc70b---38905603172.pdfIn PDF document text
- http://djarkitek.com/temp/vinney/HTML/userfiles/file/jaramod.pdfIn PDF document text
- http://zkojicin.cz/userfiles/file/gimovubavo.pdfIn PDF document text
- https://kotypsy.pl/ckfinder/userfiles/files/zuvimogafozagatovaleka.pdfIn PDF document text
- https://clove7.com/userfiles/file/62101864919.pdfIn PDF document text
- http://utuin.net/files/fckeditor/file/borurum.pdfIn PDF document text
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/99444163887.pdfIn PDF document text
- http://king-tableware.com/uploads/files/202109191059528743.pdfIn PDF document text
- http://dailitara.lt/bites/uploads/file/60494607398.pdfIn PDF document text
- https://z87992961.com/upload/files/20210921000322.pdfIn PDF document text
- http://videofilm-tv.ru/content/File/77020597097.pdfIn PDF document text
- http://biosite.ru/images/news/file/69629670429.pdfIn PDF document text
- http://spharma.ua/files/file/95460594324.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613306660d41e---xuposezebesar.pdfIn PDF document text
- http://sensor4you.com/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/sizavixag.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=sum+of+arithmetic+sequence+calculatorPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- 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_off0000e50d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE50D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fd1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD1F | 19628 bytes |
SHA-256: 9472e8073dad506cf1b4be3ec28ce200e1d4e03877830b8520625dcdc22ecb8b |
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font_02_sfnt_off000130b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130B6 | 10924 bytes |
SHA-256: c7ab7785af3ec8dd55e564c31968288944604eeef3f1f07e652dfb41f30cf24c |
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