MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains a link farm pointing to multiple external domains, including one hosted on a compromised WordPress site, suggesting it's used for phishing or distributing further malware. No scripts were extracted, but the PDF structure and URL patterns are indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://cokhitienvuong.com/uploads/files/58366076589.pdf In PDF document text
- http://group-anons.ru/userfiles/files/kewokesoziwe.pdfIn PDF document text
- https://777mto.info/contents/files/fapegugisogoros.pdfIn PDF document text
- http://js-space.de/userfiles/file/5258527718.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614464f189c88---jevajape.pdfIn PDF document text
- https://clearpatth.com/userfiles/file/regeboni.pdfIn PDF document text
- https://dauglita.lt/components/com_mijoshop/opencart/image/data/files/zejelakasewunibo.pdfIn PDF document text
- http://zekidilektekstil.com/images_upload/files/55088837025.pdfIn PDF document text
- http://yuqiaohome.com/uploads/files/202109180845069027.pdfIn PDF document text
- http://datong-travel.tw/upload/ckeditor/files/20210904000730.pdfIn PDF document text
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/joresiba.pdfIn PDF document text
- https://sklepbonus.eu/userfiles/file/pogemexofepepu.pdfIn PDF document text
- https://rajaketiga.com/contents/files/wuwufafuxudivimilisabal.pdfIn PDF document text
- https://nuttydog.hu/ckfinder/userfiles/files/sedopavuz.pdfIn PDF document text
- http://ecogestval.com/userfiles/file/28283846617.pdfIn PDF document text
- http://ammk.sk/userfiles/file/39770537599.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/serufopipum.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613145ba4975c---gukokepirugedemu.pdfIn PDF document text
- https://drbumbnursinghome.in/ckfinder/userfiles/files/34905554220.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613664891b77f---77359120126.pdfIn PDF document text
- http://aeklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/30851415914.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133dbeeb61ae---bubub.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/vijonetiwunaja.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=motorola+phone+rebootPDF 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_off0000d5ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5ED | 18328 bytes |
SHA-256: a7a7df37cefa8d66fc60cf3c1cea64c1a7a34a5be32aca36bc95a20dd6dcbcca |
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font_01_sfnt_off000105d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D4 | 10220 bytes |
SHA-256: e79538d93450fa196ae56792baea1f35573a1e88acdbbf56f9fa7f6edfc0cbc1 |
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font_02_sfnt_off00011c7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C7B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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