MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and contains embedded JavaScript, indicating a potential for malicious activity. It also features a link farm pointing to compromised WordPress sites and disposable hosting, suggesting an attempt to redirect users to malicious content. The presence of external URIs with UTM parameters further supports a phishing or distribution vector.
Machine Learning
- Nyx PDF Classifier suspicious score 0.2980
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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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://medvor.ru/uplcv?utm_term=android+10+oneplus PDF link annotation
- https://valve-toho.com/userfiles/file/64294180557.pdfIn PDF document text
- http://tt-ural.su/admin/ckfinder/userfiles/files/95454232713.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/ff52d6272836a182db054cb85d58a8fd/14351529283.pdfIn PDF document text
- http://fishingas.com/userfiles/file/sobedukodabirudiminu.pdfIn PDF document text
- http://aci-immobilier-douai.fr/userfiles/files/fawodumivamin.pdfIn PDF document text
- http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/niwatatarad.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/fekavubuwasipulo.pdfIn PDF document text
- https://unicorn.mn/js/ckfinder/userfiles/files/mafabesise.pdfIn PDF document text
- https://mandarinusa.com/userfiles/file/1630725539.pdfIn PDF document text
- https://digireg.at/upload/80949430849.pdfIn PDF document text
- http://www.oe.com.tw/ezadmin/ckfinder/userfiles/files/gekixu.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae63f700fd---69431568441.pdfIn PDF document text
- http://sgpeo.pl/users/file/seziw.pdfIn PDF document text
- http://svadbavmoskve.com/content/xuploadimages/file/83858230418.pdfIn PDF document text
- http://dh-cell.net/ckfinder/userfiles/files/bomesominonewuvixulitas.pdfIn PDF document text
- http://agrostroi-proekt.ru/ckfinder/userfiles/files/48129085353.pdfIn PDF document text
- http://trungtamdaykem.vn/Images_upload/files/gofifabofedaw.pdfIn PDF document text
- https://ww150003.linebot.net/upfile/files/20210912102607.pdfIn PDF document text
- https://epiphanych.com/images/file/gulevilibagawuten.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210904065648283.pdfIn PDF document text
- http://xinghui.co/upload/ckimg/files/202109050257247632.pdfIn PDF document text
- https://inprovitcaribe.com/ckfinder/userfiles/files/zuvewiteguradalipedeleka.pdfIn PDF document text
- https://www.renfrewareahealthvillage.ca/ckfinder/userfiles/files/wojuwovalajis.pdfIn PDF document text
- https://northcoteplaza.com/userfiles/file/66332367018.pdfIn PDF document text
- http://symbioticlifetech.org/attfile/fckimg/file///20210911215036_583433966.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161338fe4556da---75135691313.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e282.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE282 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fa94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA94 | 18352 bytes |
SHA-256: e22f045608c1687fab1c69ef2036363374b40dee58433a66390a1a07329f037c |
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