MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a high number of external links, many of which point to compromised CMS uploads and disposable hosting, indicating a link farm designed to lure users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
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 http://huh.hu/UserFiles/File/dinidukutojafugagow.pdf In PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/89138cd46bf1260821fd2ff64503d671/kotuzogiperejevuvemapu.pdfIn PDF document text
- http://king-pro.com/userfiles/files/jafuxoxenisis.pdfIn PDF document text
- http://seamacros.com/upload/file/96310798207.pdfIn PDF document text
- https://seedomoretravel.com/files/files/gawedusifemukavuvuv.pdfIn PDF document text
- http://thewesternmist.com/userfiles/file/rirolusotafipiral.pdfIn PDF document text
- https://mamo-tato.ro/userfiles/file/52979917644.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/20219201058559601.pdfIn PDF document text
- http://www.mbk-montage.nl/ckfinder/userfiles/files/20884784885.pdfIn PDF document text
- http://hpworld.hu/data/pic/Image/file/losobaxefegobugubiz.pdfIn PDF document text
- https://palezieux.com/ckfinder/userfiles/files/60787419619.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/16149e05694735---73236257820.pdfIn PDF document text
- http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/vuxagikodumamusugegub.pdfIn PDF document text
- http://no1sushinroll.com/uploads/files/vidatujazuwuwefewawufor.pdfIn PDF document text
- http://dailymaydemtien.com/userfiles/files/wenagufizexazurimar.pdfIn PDF document text
- http://sinostandards.net/upload/files/61596592844.pdfIn PDF document text
- http://massimomoroni.it/userfiles/files/foxukugek.pdfIn PDF document text
- https://qkon.ca/images/file/moguvutamofagofimo.pdfIn PDF document text
- http://sbs-group.co/userfiles/files/sijutajamusupurogud.pdfIn PDF document text
- https://transturist.ba/ckeditor/ckfinder/files/files/radolisedoweganiduzirerit.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/43a2b0b730710c4b32727bd607dbd795/gugog.pdfIn PDF document text
- http://bantinnhadat.com/users/files/kuduwiwo.pdfIn PDF document text
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/c793f63cdd97c0bb41a5755d46355d24/95232428244.pdfIn PDF document text
- http://bukharaatlanta.com/sites/default/files/file/zukapuro.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=imo+call+recording+apkPDF 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_off0000b421.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB421 | 16964 bytes |
SHA-256: 29202a3afafddc230168fa35e07cc8b0e5e783a1849bbceeb536949ced30a22a |
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font_01_sfnt_off0000df9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF9F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f7b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B6 | 10636 bytes |
SHA-256: e24748679649f6cf8b8ea5f7bfd54c1cf23f73a004b71c2bfae7eb22cce8b63a |
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