MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS uploads or disposable domains, suggesting a link farm or phishing lure. The PDF structure and embedded links are indicative of a phishing or malware distribution campaign, likely initiated via spearphishing attachment.
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 http://kgmda.com/upload/files/godafososiduwe.pdf In PDF document text
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/f5e214d7deecbf25e7650d93b0c063f4/22897707179.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/olrkpsn4gnf893ve7thvd1q8f8/titajev.pdfIn PDF document text
- http://hilltop1976.com/clients/24685/File/79517152048.pdfIn PDF document text
- http://pnmanagementsolutions.in/uploads/linuvafi.pdfIn PDF document text
- https://goodline.by/userfiles/file/44665798119.pdfIn PDF document text
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/96899383548.pdfIn PDF document text
- http://federicozucchettiarchitetto.eu/userfiles/files/41909595674.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/e56511d5cde5844d1cc08ec41c15b0bc/gefaxadozop.pdfIn PDF document text
- http://sosonomo.com/ckfinder/userfiles/files/gejatijixonu.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/xikedimi.pdfIn PDF document text
- https://nuttydog.hu/ckfinder/userfiles/files/fobenewiforul.pdfIn PDF document text
- http://unibox.lv/files/text/72978016693.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a7810d8b351---86975110848.pdfIn PDF document text
- http://rideco.hu/upload/file/gewupatikodepobas.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160831c37ef41f---sobexije.pdfIn PDF document text
- https://taiwan-tiaya.com/upload/tiaya_official/files/lisijuribo.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/dipokajewuja.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf4120beff---fuxuso.pdfIn PDF document text
- http://www.tm-africa.com/beta/public/uploads/cms_filescms_files/vumezojedugixe.pdfIn PDF document text
- https://gertiesbloomers.com/kousumi/nulook/upload/fckimages/file/vunogo.pdfIn PDF document text
- http://poltinik.ru/userfiles/file/fowifuni.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=warrior+cats+tigerstar+and+sasha+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_off0000d5b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5B4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000edc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDC6 | 17500 bytes |
SHA-256: 27df1d1176fdfd07de4846a44fde735ae163a7a8ce19455e2700ba949102dab9 |
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font_02_sfnt_off00011b74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B74 | 10844 bytes |
SHA-256: 3868a715a407ec35b45e0f19600ebd7ac7cd44cf4e2f825155309afd8cf6c5d2 |
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