MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier. It contains a link farm with numerous URLs hosted on potentially compromised or disposable domains, indicating an attempt to direct users to malicious content. The presence of multiple external URIs and a link farm heuristic strongly suggests a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://vankouwenenmastop.nl/UserFiles/file/gifojiwaj.pdf In PDF document text
- http://nineslash.com/user_file/file/vuvorodej.pdfIn PDF document text
- https://hospvetcentral.pt/site/upload/file/bakegaritesezuzowet.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607573dd58aee---linojagetopegolijesanu.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/16081b886207da---55558523511.pdfIn PDF document text
- http://vodnik48.ru/content/file/fepap.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/8u3t8ekrbitkqeeh0811dj2l8m/4637828743.pdfIn PDF document text
- https://www.profiemg.cz/upload/ck/files/jikubapa.pdfIn PDF document text
- https://eyetracking.pl/userfiles/file/badikesoxopuxubevoxiteg.pdfIn PDF document text
- http://gewoongroen.eu/app/webroot/files/userfiles/files/3541293608.pdfIn PDF document text
- https://vishalahospitality.com/ckfinder/userfiles/files/zinozakipi.pdfIn PDF document text
- https://svetplus.com/userfiles/files/57636309819.pdfIn PDF document text
- http://titadoorbinhduong.com/upload/files/74366449975.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c898c2eecd8---lisolanil.pdfIn PDF document text
- http://hiddencliff.kr/FileData/ckfinder/files/20210610_C5E3FF9BE6024261.pdfIn PDF document text
- https://samsungdvm.net/upload/ckfinder/files/pabenogurerorutu.pdfIn PDF document text
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/02b6992ac41a06621ba0d9f3d900eb35/88783951973.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160961ed182638---zivipexafonax.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/96ab2063686c491d6f98e8779489e818/73338900424.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609d696501d32---dibubos.pdfIn PDF document text
- http://web68s.com/upload/files/zumewotisu.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/0b526135424939aea456fc8f2b70e0d0/69148061250.pdfIn PDF document text
- http://psfund.org/public/uploads/files/cms_files/99421111828.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=closest+horse+race+trackPDF link annotation
- http://s292376414.onlinehome.fr/datas/imgmail/file/feximevovitileju.pdfIn PDF document text
- 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_off0000f2bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2BF | 10252 bytes |
SHA-256: 9e160150443308d80fae5ff9bac58260849f424588a3a508a13ea6031b3d7cbe |
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font_01_sfnt_off00010a0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A0F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012221.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12221 | 19244 bytes |
SHA-256: a2afc8f1a51b46269016659de49dd1b52a02594245c655e789d0ca673cc13ee7 |
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