MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF that uses a link farm technique to host multiple malicious PDFs on compromised websites. The ML classifier and ClamAV detection strongly indicate maliciousness. The embedded URLs and the heuristic firings suggest this is a phishing attempt disguised as a financial document to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b759118d6---fomalitemoruzera.pdf In PDF document text
- https://denizlihorozu.com/resimler/files/73666099144.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/ac3212513a2af7a20941255d9b0b7010/zomolilowa.pdfIn PDF document text
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/0af5ab368fbe6eeca8fbdda2419ae796/33357160871.pdfIn PDF document text
- http://catherine-massage.com/ckfinder/userfiles/files/89443768477.pdfIn PDF document text
- http://ccsup.co.th/uploads/ckfinder/files/20671969589.pdfIn PDF document text
- http://digivideos.net/ckfinder/userfiles/files/talaxaduluju.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608ab9368d5c0---41749131741.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/l8rqcgoqq5o6qajolbp75adl80/rexadowabaruzemilobofiki.pdfIn PDF document text
- https://stpeterscbs.ca/ckfinder/userfiles/files/kinedavibi.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe29cc191f4---42494712422.pdfIn PDF document text
- https://gotoko.com/cmsv2/upload/files/20191315619.pdfIn PDF document text
- https://thehouseconcert.com/ckfinder/userfiles/files/vijajebogerulodulubewi.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/3df6b683bed809022172ae93c87fb1fd/99359540842.pdfIn PDF document text
- https://www.bussmann-tiefbau.de/ckfinder/userfiles/files/76297837473.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dd2945a47d---62583014281.pdfIn PDF document text
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/a769c6287e5b61712b406f2dd4d0c8db/lizasekem.pdfIn PDF document text
- https://helicopterleasingservices.com/userfiles/files/18355659211.pdfIn PDF document text
- https://elegune.net/files/galeria/files/kekosakuzugapebusurowoj.pdfIn PDF document text
- https://campermagazine.tv/public/file/46436825604.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/79f5f61b23bb58e55c28afb0e93fd3ea/81897940510.pdfIn PDF document text
- https://marathonlaval.com/userfiles/files/22221294693.pdfIn PDF document text
- http://ypdtools.com/ckfinder/images_store/files/kowopivazezizab.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160941eeaaa6d4---mezanagenazoruxagabi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=united+bank+of+india+ppf+account+opening+form+download+pdfPDF 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_off0000f7bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7BC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010fce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FCE | 19256 bytes |
SHA-256: f8f64ac6da3e6f93bebcafc2d4f3eeb1bddf19eb067b0ab5fe2477a564939d7b |
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font_02_sfnt_off000140d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140D0 | 11220 bytes |
SHA-256: 121ac13f036f9a12cc76c436a9ad5c08b711e69e12fd14a10bb46278c5390be8 |
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