MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious or phishing content. The presence of these links and the overall detection by security tools strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://archism.ru/uplcv?utm_term=saala+khadoos+full+movie+download+720p PDF link annotation
- http://historico.uts.edu.co/portal/app/ckfinder/userfiles/files/55562582325.pdfIn PDF document text
- https://semut73.com/contents/files/93439310569.pdfIn PDF document text
- http://meijialx.com/ckfinder/userfiles/files/novesogupasavelonepokimos.pdfIn PDF document text
- http://www.gieskestukadoors.nl/ckfinder/files/files/91855698524.pdfIn PDF document text
- https://swapnauraan.com/ckfinder/userfiles/files/59653720137.pdfIn PDF document text
- http://vevo.keresztessyoptika.hu/elemek/file/wororiravuge.pdfIn PDF document text
- http://xn--h1agcmh.com/ckfinder/userfiles/files/75079938739.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/s255qu05o8pdp05m62cd8h2m41/9719259104.pdfIn PDF document text
- http://lyzebrno.cz/userfiles/file/mogutonepuz.pdfIn PDF document text
- https://parc-hotel.info/file/jiwirexojureno.pdfIn PDF document text
- https://support-trevianum.nl/userfiles/files/fuvuguzoxuwedemu.pdfIn PDF document text
- http://hidropro.hu/upload/40295858593.pdfIn PDF document text
- https://innotek.vn/uploads/news_file/mesolufa.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161345d62794c9---rifuzabijafazidemavadino.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/161443c4d9d68b---xatawuwurobepefulajotebu.pdfIn PDF document text
- http://autoneza.cz/UserFiles/File/tezarinope.pdfIn PDF document text
- https://suativisamsungtaihanoi.net/upload/files/medut.pdfIn PDF document text
- http://phuocthuan.vn/images/pic/file/foxinuzifofumedubadip.pdfIn PDF document text
- http://taiwangallant.com/uploads/files/202109081802564485.pdfIn PDF document text
- http://weddingdove.tw/uploads/files/202109050523436011.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161356c42117ca---dejon.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_off0000d074.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD074 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e88b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE88B | 11276 bytes |
SHA-256: 13f048370c9ddffc09bf7edcd9c467428184b0f63dff0f32cd1cf6eaaa5e5cd4 |
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font_02_sfnt_off000102ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102EE | 17156 bytes |
SHA-256: 8d3f2aad049278e1f1f8d039114e62b364f450eb339cc6d9f9a25ad56a038171 |
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