MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to lure users to potentially malicious destinations. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://donleroy.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/81577827669.pdf In PDF document text
- http://metafelix.it/userfiles/files/nupebupagulawufitemegize.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/161366924b7cf1---rikejapuxiziw.pdfIn PDF document text
- https://markapin.com/calisma2/files/uploads/64442751097.pdfIn PDF document text
- https://abhrian.com/userfiles/files/71553029797.pdfIn PDF document text
- http://ztracenaexistence.cz/files/content/file/nozema.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d4809749ad---18144307654.pdfIn PDF document text
- https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/nubiluxa.pdfIn PDF document text
- https://datxeninhbinh.com/data/dulieu/files/20839163348.pdfIn PDF document text
- http://chipublichouse.com/ckfinder/userfiles/files/55899022562.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d34cf43dd0---mimovipajiridosiginup.pdfIn PDF document text
- https://myparrotfood.com/user_files/files/16918756531.pdfIn PDF document text
- http://ruishikaishi.com/upload/content/files/2021/09/20210904144843.pdfIn PDF document text
- https://braus.uz/images/shared/file/80934726868.pdfIn PDF document text
- https://sibservis.com/ckfinder/userfiles/files/78084170090.pdfIn PDF document text
- https://euinsuti.ro/app/webroot/files/userfiles/files/94738188912.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133abdf98cfc---jisajisij.pdfIn PDF document text
- http://northcity.rs/slike/files/27580865068.pdfIn PDF document text
- http://www.texaco.bargiel.com.pl/ckfinder/userfiles/files/98691300016.pdfIn PDF document text
- http://areawifi.com/DESARROLLO/userfiles/files/38486591854.pdfIn PDF document text
- https://rakowka.pl/userfiles/file/pevogegelixuvesomux.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=getting+hotmail+on+android+phonePDF 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_off0000e740.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE740 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF57 | 10712 bytes |
SHA-256: c3ece70d3981cc2dabd4d2705903cfdbc3acb6ac5d5f8b3a3b1319bf0ae7e883 |
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font_02_sfnt_off0001177a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1177A | 17620 bytes |
SHA-256: b980e09f51c83da3f5a5ff5c794689c3f07ef5566b10ce397fb12c7b052f95e1 |
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