MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, with several pointing to compromised CMS uploads, indicating a potential phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were extracted, the structure and URL analysis point towards a link farm designed to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9829
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://laclonghotel.vn/upload/files/vuvexamibewawegipif.pdf
- http://ambulanceservice.pl/userfiles/file/negodogudexavesegoparular.pdf
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/35aedd7eabc071d536654f99fd72fc04/josola.pdf
- http://www.gabrielamaciel.net/images/content/file/3649846127.pdf
- http://delvalle68.com/clients/54584/File/vazubebiduzigubawegi.pdf
- http://envigest.cz/upload/file/37345536852.pdf
- http://ahkkpcm.org/userfiles/gigerokasonuxum.pdf
- http://jiendurancecoaching.com/ckfinder/userfiles/files/fupimit.pdf
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/60c6cdc86269a7da07c2601b92dfbfbc/tefumapeki.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160824a6f5d330---zefevabotowazunabomag.pdf
- http://nadiadsa.org/userfiles/file/xaxelunegapazofuko.pdf
- https://aadharshilaschool.org/userfiles/file/bopuzebifibokudifujeg.pdf
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/d44s641k3hau642e1fb7unckri/lixaz.pdf
- http://shuswapladystriders.ca/userfiles/file/72269410651.pdf
- https://perfecthospital.org/FCKeditor/file/terezaderokikekolov.pdf
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607c16f4bafa6---torejelavobemaloj.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160715283824ae---lejitifesetukosiga.pdf
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a806971a252---sigibozixexo.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16084b5477c3cf---7772264803.pdf
- https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/tefedawidesezepup.pdf
- https://glycocalyx.nl/userfiles/image/file/57694774478.pdf
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d32223cdd4d---zosirijizebenur.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/9d190dd99d358aecf7cb6b89e14516bd/fakemoripanatujuwi.pdf
- http://thestarbusan.net/FileData/ckfinder/files/20210801_AF4BBD689F063157.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/a5e6b5feb3ab4ef62f3066ff163a0c04/xugekakilufamu.pdf
- http://seoulsquare.com/userfiles/file/vadoxifamasidevikezuv.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=cotswolds+map+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000caa1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAA1 | 16792 bytes |
font_01_sfnt_off0000e2b3.bin8038d89e27449cb95c30fbbac318587daa9f7c801ba514ef1eaa0f8262a45448 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2B3 | 18684 bytes |
font_02_sfnt_off000112e2.bin42cc4b8003a79edf05ae9e3de86d3fadda883ff3c06fb286f4bc2bc5c8b84ae0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112E2 | 10348 bytes |
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