MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious content. Several heuristics indicate the PDF is part of a link farm hosted on potentially compromised or disposable domains, suggesting a phishing or malware distribution campaign. The embedded JavaScript likely facilitates the redirection to these malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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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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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://kingsauto-bar.com/js/upload/files/81494864053.pdf In PDF document text
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/b7e650c8fa4c1c6b702c15304e40f702/76511521020.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160e23cd31d5ae---20014688754.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/3qjmu577vqdu31d65vkts1mvq0/95539467233.pdfIn PDF document text
- http://tuanayapim.com/rsm/files/maduzalazadokanulezoxu.pdfIn PDF document text
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8c3902d5f---87275958238.pdfIn PDF document text
- http://romento.com/uploaded_files/userfiles/files/50237128340.pdfIn PDF document text
- http://internationalnetworksolutions.net/files/64931976813.pdfIn PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0ec61bf28---9490039706.pdfIn PDF document text
- http://helderlive.nl/ckfinder/userfiles/files/jusokunebepugoserubux.pdfIn PDF document text
- https://garraldaarquitectura.com/garralda_userfiles/files/28664797997.pdfIn PDF document text
- http://hzbaoyan.com/images/upload/File/gegurilosoxaripovuvogaxaz.pdfIn PDF document text
- https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/21813279393.pdfIn PDF document text
- http://tanphatinst.com/vietkiendo/upload/file/86253091550.pdfIn PDF document text
- http://toshiteriyakiburien.com/uploads/files/narudumok.pdfIn PDF document text
- http://broadmoor79.com/clients/864886/File/wijigisipekixodek.pdfIn PDF document text
- https://vendax.ro/files/file/tulogadapupokusapup.pdfIn PDF document text
- https://sunrise-photon.com/upfiles/editor/files/41339595441.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612257c174228---53399434739.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210612141818242.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608116c9ed1fb---bijogurabavifoserok.pdfIn PDF document text
- https://birudongker.com/contents//files/vivogo.pdfIn PDF document text
- http://starma.pl/files/file/fewunemasi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=png+dosyas%C4%B1n%C4%B1+pdf+e+%C3%A7evirmePDF 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_off0000c2d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2D8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000daea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAEA | 18228 bytes |
SHA-256: f07820f1f5f72a1bf9c790d29eec053da2085e04c54000f7a67c5dfec75b3307 |
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font_02_sfnt_off00010815.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10815 | 11120 bytes |
SHA-256: 183571359740412979d2248d33d270f6bc7a29f38bdc9502c3738ffef2d60720 |
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