MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of 'utm_term' parameters in some URLs further supports the idea of tracking user clicks for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://krisoc.ru/uplcv?utm_term=android+emulator+for+i3+pc PDF link annotation
- http://keyflounge.nl/userfiles/file/50362878009.pdfIn PDF document text
- https://nikoljski.com/ckfinder/userfiles/files/23092902148.pdfIn PDF document text
- http://yyfxsw.com/upload/files/rutod.pdfIn PDF document text
- https://fa-vietnam.com/webroot/img/files/60550117724.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/f11b62a7e22e25bfc035ceb6e43d4205/86116071716.pdfIn PDF document text
- http://papinchess.ru/userfiles/file/fovexuxiwod.pdfIn PDF document text
- https://branchennachweis.eu/userfiles/file/xexivegob.pdfIn PDF document text
- http://ccadl.com/files/20210903142115.pdfIn PDF document text
- http://npxbyy.com/wang3_3_10_27/Upload/Upload/file/202193925394639.pdfIn PDF document text
- http://vigova.com/Images_upload/files/xitebav.pdfIn PDF document text
- http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/68582538379.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/161307a5ec34dc---69496671092.pdfIn PDF document text
- http://gibisch.com/files/files/58485952195.pdfIn PDF document text
- http://bora.su/ckfinder/userfiles/files/37808937644.pdfIn PDF document text
- http://abnig.friendship-match.com/upload/files/kidejadiwuwuvixodoj.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161387d3c676da---67828076989.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/84720356551.pdfIn PDF document text
- http://textstricker.de/benutzerdateien/45886848025.pdfIn PDF document text
- https://megalightgroup.lv/uploads/files/98371532337.pdfIn PDF document text
- http://ilovehikari.com/uploads/files/11395977939.pdfIn PDF document text
- http://hotelalbicia.com/userfiles/file/70589451345.pdfIn PDF document text
- https://10fci.org/userfiles/file/vibaxaniwid.pdfIn PDF document text
- https://www.grdr.org/paidel/ckfinder/userfiles/files/gibufalo.pdfIn PDF document text
- http://www.facyt.com.ar/ckfinder/userfiles/files/55899612789.pdfIn PDF document text
- 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_off0000ecad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECAD | 16784 bytes |
SHA-256: 50127f89afb09be47a04351f49c8d1de5d7b5bc2a4426b8770ff0f6e51f6baa4 |
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font_01_sfnt_off00011810.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11810 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013027.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13027 | 10868 bytes |
SHA-256: a5b62172366d15e33e095ec849bd486d08cd8472fa0d2b87af5661bf59afb91a |
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