MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV and an ML classifier as malicious. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised or disposable hosting sites. The presence of numerous unknown URLs suggests an attempt to distribute malware or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://sbriz.ru/userfiles/file/zexevenelagadelupizubume.pdf In PDF document text
- https://nergizleryapi.com/image/files/vumutavujobegixoki.pdfIn PDF document text
- https://wonwon.taipei/photo/file/67981619586.pdfIn PDF document text
- http://ippon.lv/uploads/File/redarusuzejej.pdfIn PDF document text
- http://gazetavk.ru/img/file/motixil.pdfIn PDF document text
- http://3dtechgroup.com/uploads/image/files/51501110860.pdfIn PDF document text
- http://yasairamenbar.com/uploads/files/gelija.pdfIn PDF document text
- http://astprom.ru/sites/default/files/file/43045246859.pdfIn PDF document text
- http://ukrkarta.ua/fckeditor/userfiles/file/73059591735.pdfIn PDF document text
- http://saiprogetti.net/userfiles/files/mosanogopopagijatuwegat.pdfIn PDF document text
- http://ng-sons.com/userfiles/file/62476402782.pdfIn PDF document text
- http://arucax.am/user_images/file/wujegitowadide.pdfIn PDF document text
- https://szallas-karpatalja.net/upload/81486440565.pdfIn PDF document text
- https://thai-airpark.com/ckfinder/userfiles/files/31422959261.pdfIn PDF document text
- http://gazdalkodjokosan.hu/img/userfiles/file/vagore.pdfIn PDF document text
- http://mwflower.com/upimagesfile///xatelolobuwanuvumuja.pdfIn PDF document text
- http://wlpp.net/images/blog/file/60645236025.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/ml5i3fkgatkouh63k4bcro2ub3/begiralefodepixireli.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/cbh3aqes2eur3kkbl2m9lh7m9f/22967268641.pdfIn PDF document text
- http://cctsw.net/whly/up_files/FCK/file/20210908_110603_125.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/161314421cfdea---71548763247.pdfIn PDF document text
- http://kamnitikamini.si/upload/files/98119277691.pdfIn PDF document text
- http://indyskischool.com/ckfinder/userfiles/files/gumapigalalewuxe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=how+to+remove+update+on+androidPDF 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_off0000dbb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBB7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f3c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C9 | 18884 bytes |
SHA-256: 634f0f53f570b2c8b88b5abc42bd3e17c0c112eacfe5ae820d4793f6ccad845b |
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font_02_sfnt_off00012518.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12518 | 10584 bytes |
SHA-256: 78c098f69d843f9a0b7bcba0a534eaf955ce5c82f8ecf9573227feb1d946fb47 |
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