MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that form a link farm, with several pointing to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farm heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://wastran.ru/uplcv?utm_term=civil+war+movie+download+in+tamil PDF link annotation
- https://warungmimpishio2.com/contents/files/lezeledetunotitiduk.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/5822426d5d3e69a2fb3bf56a877b6d66/wirirafofuzafufeledor.pdfIn PDF document text
- http://laclonghotel.vn/upload/files/53209806493.pdfIn PDF document text
- http://notar-frings.de/userfiles/file/36070752339.pdfIn PDF document text
- http://simkoongschool.com/uploads/editer/files/rorebinezepifogebifu.pdfIn PDF document text
- https://ngusacdon.com/upload/files/gupotewibeziwe.pdfIn PDF document text
- https://stephan-kratt.de/data/reiterhof/userfiles/file/30722434603.pdfIn PDF document text
- http://www.pavimentosyreformasferlu.es/ckfinder/userfiles/files/29554062596.pdfIn PDF document text
- http://selidbe-beograd.info/files/44709373044.pdfIn PDF document text
- http://galeriejacqueselbaz.com/userfiles/file/87549491464.pdfIn PDF document text
- http://utcsp.rustyramone.com/uploads/files/fepunozulewili.pdfIn PDF document text
- http://arndt-fahrschule.de/userfiles/file/zugigipipagopogob.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16132e0e1bb65e---30390960759.pdfIn PDF document text
- https://zaragozadenoche.es/upload/files/kiwekafojugelizowumupi.pdfIn PDF document text
- http://csigikes.hu/admin/fck_upload/file/wagip.pdfIn PDF document text
- http://odpadykj.cz/UserFiles/File/5203380642.pdfIn PDF document text
- http://izmirtavla.com/upload/file/99340780961.pdfIn PDF document text
- http://getem.pl/files/file/vevipik.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/sqbr8ui6ncc9d28kqgsce74f5h/49580130972.pdfIn PDF document text
- http://toshiteriyakiburien.com/uploads/files/47600766382.pdfIn PDF document text
- https://www.barrau-philippe-sedeco.fr/ckfinder/userfiles/files/25966682072.pdfIn PDF document text
- https://balajihighfields.in/userfiles/file/83166867548.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_off0000b5ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5EE | 16344 bytes |
SHA-256: 7183259d3f8f27564cab268ff911b9c88159a6713ad517ecf17216552934d9f0 |
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font_01_sfnt_off0000df61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF61 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f778.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF778 | 10424 bytes |
SHA-256: f8025da6550068e6bbe6549e43e9840e8601f93be786aeab0a6789d506568db0 |
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