MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs, many pointing to compromised CMS upload directories or disposable hosting, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://www.hkfew.org.hk/ckfinder/userfiles/files/43215547263.pdf In PDF document text
- https://drbumbnursinghome.in/ckfinder/userfiles/files/finopap.pdfIn PDF document text
- http://gamebonda.com/ckupload/files/55468081112.pdfIn PDF document text
- http://ivankrivanek.com/userfiles/file/72259609080.pdfIn PDF document text
- https://8cj2aja7-8mxb.com/contents/files/xipinixelinusonikajatimob.pdfIn PDF document text
- https://beautyyaurient.com/editor_upload/file/dixolag.pdfIn PDF document text
- https://dammesliepas.lv/ckfinder/userfiles/files/govutatujikek.pdfIn PDF document text
- http://seoulsquare.com/userfiles/file/43111369239.pdfIn PDF document text
- https://www.douggoodkin.com/admin/ckfinder/userfiles/files/70965695861.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/6d56bcac8e057ff3d0043dd38d485046/xofuvetidafiriteg.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb25713dcf---mofusad.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb2c15d94b---26257156019.pdfIn PDF document text
- https://biographiewerkstatt-singer.de/userfiles/file/37824579006.pdfIn PDF document text
- http://anhbanglaw.com/userfiles/file/radusuwodegakiwekex.pdfIn PDF document text
- https://fotografski-studio.kost.si/userfiles/file/36216085344.pdfIn PDF document text
- http://worthingtonpark101.com/userimages/92854938546.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16130947e87f15---tixijupag.pdfIn PDF document text
- https://masterjobintl.com/ckfinder/userfiles/files/pugokugubebubikivap.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161394747cf89c---jikikito.pdfIn PDF document text
- https://tresonance.org/uploadfiles/finunapewijis.pdfIn PDF document text
- http://toyotacri.com/userfiles/files/11375731110.pdfIn PDF document text
- https://maychieuvinh.vn/upload/files/dadukodokakek.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=diamond+ros+hackPDF 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_off0000dbe6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBE6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f3f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3F8 | 18144 bytes |
SHA-256: 3eafb71bf614348656e873a1d6be8fe6d0ae47df40ca47e3cb5d996ab929aff2 |
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font_02_sfnt_off00012259.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12259 | 10452 bytes |
SHA-256: 58e1fd2f4786f645fc592f3c0e06c9d783eaaae2852e73c2715f480e9c77103b |
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