MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised WordPress uploads or disposable hosting, suggesting it functions as a link farm. The primary purpose appears to be directing users to potentially malicious or phishing content hosted on these external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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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 https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/dqcfe5o75obqirut4jiu8aceif/tejobose.pdf In PDF document text
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160812b6f4ea41---4328625252.pdfIn PDF document text
- http://alphasigmaoverseas.com/userfiles/file/ronis.pdfIn PDF document text
- http://ggmtc.net/userfiles/files/58540968266.pdfIn PDF document text
- http://pneusmarene.it/images/file/21198478531.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/19sps287s47hfqbvm1guocs4p7/3637697911.pdfIn PDF document text
- http://autoset66.ru/admin/ckfinder/userfiles/files/23612616634.pdfIn PDF document text
- http://donghozibistore.com/luutru/files/zutukemev.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd9c1c67d8c---3414521861.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609b4a702bce4---17427795858.pdfIn PDF document text
- http://from.ua/upload/articles/2021/06/19/files/nabavigelumemowejifulaw.pdfIn PDF document text
- https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/g3dlocl771esbdb2k9q5f2mfk0/xexupepir.pdfIn PDF document text
- http://ainut.fi/userfiles/file/52845642824.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/gesawonulajamajize.pdfIn PDF document text
- http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/75386193836.pdfIn PDF document text
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/3d52ca9c1dc88523289067825e858f69/96591014624.pdfIn PDF document text
- http://paintmaster.hu/js/ckfinder/userfiles/files/9216901219.pdfIn PDF document text
- http://vervesimuhub.com/userfiles/file/zenazogewej.pdfIn PDF document text
- http://studiotecnicoprato.eu/userfiles/files/puwotifepasisodebozo.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076dff8a41d0---54878391691.pdfIn PDF document text
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/oerfb38ges3r4n7gghqdshbq80/pafivajagalorofavifa.pdfIn PDF document text
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/3c6efb97d55140a8c62563172e2f2e9f/10792406074.pdfIn PDF document text
- http://bilmatbasim.com/userfiles/file/ritokonomube.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac9e2856999---suzip.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=3d+architectural+rendering+servicesPDF 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_off0000e722.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE722 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF34 | 17520 bytes |
SHA-256: f19d7b1fbcc4f5576640e208bc05bcd2da02addc7d0f1f9c7d0edc0e74bb7644 |
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font_02_sfnt_off00012d42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D42 | 10768 bytes |
SHA-256: e6c864aada5d90d5361ee58e660f6b8ebf3cf212c2f1d5399b9e1b6527460672 |
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