MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9915
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://mhreng.com/userfiles/file/26852061837.pdf In PDF document text
- http://dhf-china.com/d/files/vefosavogi.pdfIn PDF document text
- http://studiotecnicodavico.eu/userfiles/files/vulige.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a36627ef9---83086886391.pdfIn PDF document text
- http://hightopeducation.com/cms_uploaded/file/renefetarafuwozizonepog.pdfIn PDF document text
- https://zohopinler.com/calisma2/files/uploads/powugado.pdfIn PDF document text
- http://fluitec.fr/ressource/site-image/files/56194993991.pdfIn PDF document text
- http://raffaelecavazzoni.com/userfiles/files/tirinadotuzuwixuxokegul.pdfIn PDF document text
- http://losmarinoslanzarote.com/marinarubicon/admin/file/6508611610.pdfIn PDF document text
- http://eubeer.vn/uploads/files/dibefanifav.pdfIn PDF document text
- https://inoxquochoang.com/app/webroot/files/images/pages/files/61633853087.pdfIn PDF document text
- http://www.facyt.com.ar/ckfinder/userfiles/files/1232702488.pdfIn PDF document text
- http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/94643223644.pdfIn PDF document text
- http://enjoyisagenix.com/ckfinder/userfiles/files/pipazezibazunodomulekeb.pdfIn PDF document text
- https://dennismaloney.ca/upload/editor/file/sexewevawez.pdfIn PDF document text
- https://vadihosting.com/calisma2/files/uploads/82247805099.pdfIn PDF document text
- https://icrs-as.com/userfiles/file/68154182500.pdfIn PDF document text
- http://sriraghavendratemple.com/ckfinder/userfiles/files/36081334555.pdfIn PDF document text
- http://homeopathyhongkong.org/files/bupafe.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131356bb157d---tevux.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/d8b64scnbmdqgijcqofdj7bll3/22193760449.pdfIn PDF document text
- http://didula.ru/img/file/guwejokepid.pdfIn PDF document text
- https://ncltandatbar.com/home/ncltandat/public_html/dowalumniusa/ckfinder/userfiles/files/rewaxemazuvu.pdfIn PDF document text
- https://uleshuzatabc.hu/files/file/1864992822.pdfIn PDF document text
- http://mebel-moscow.com/content/xuploadimages/file/vuzedoferopudijadokas.pdfIn PDF document text
- http://pixel-pro.ru/upload/file/80944249048.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+remove+apps+from+android+tvPDF 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_off0000b781.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB781 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cf98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF98 | 10756 bytes |
SHA-256: 27083182c04354234724d2b9eaa8349e86a0263d443806934ea35994e8be6557 |
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font_02_sfnt_off0000e859.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE859 | 17036 bytes |
SHA-256: 829a7e995fc50a5e180da1a306c40362465b8f760df13b41e40e4819358b946e |
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