MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. Several heuristics indicate the document is part of a link farm, with many URLs pointing to external PDF files hosted on potentially compromised websites. ClamAV detection and ML classification further support its malicious nature, suggesting it's a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.5661
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://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/161342902185f7---rojefezarupenaditovevux.pdf In PDF document text
- http://ekachaiguitarist.com/ckfinder/userfiles/files/budukabidudesutozaloked.pdfIn PDF document text
- https://sharjahcements.com/images/bulk_images/files/ferixezoxidus.pdfIn PDF document text
- http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/tuperekuworuxozawatasa.pdfIn PDF document text
- http://maezawa-jidousha.com/js/upload/files/fibukujawon.pdfIn PDF document text
- http://ankaraeksioglu.com/resimler/files/lolupakadigavamuboled.pdfIn PDF document text
- http://villalapinetafavignana.it/userfiles/files/21458226269.pdfIn PDF document text
- http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/75283318882.pdfIn PDF document text
- https://nangluongvada.com/uploads/files/16628482508.pdfIn PDF document text
- http://mesterteto.hu/userfiles/file/kofiparexisabojatom.pdfIn PDF document text
- http://sibinetweek.ru/userfiles/file/milup.pdfIn PDF document text
- http://orthodoxnews.us/file/bufewovepovanigunur.pdfIn PDF document text
- http://vswet.ru/f/jopokofoxonijukepabiwepip.pdfIn PDF document text
- http://arqing.es/ckfinder/userfiles/files/50378899454.pdfIn PDF document text
- http://leadingedgecorporate.com/user_images/file/sodefexediv.pdfIn PDF document text
- https://sporyolu.com/resimler/files/vesopifuromadol.pdfIn PDF document text
- http://donovaly-ubytovanie-safran.sk/web/userfiles/file/zekeviruwobapugamaveneba.pdfIn PDF document text
- https://www.utn.ac.cr/sites/default/files/files/22347938882.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/60e9477326e9a7cdffc3b30dab2369ed/25610939174.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2449bd252363d60f0fa4fd0c7669e441/9433561171.pdfIn PDF document text
- http://gojjang.com/uploads/files/87554744306.pdfIn PDF document text
- https://foodvellythailand.com/upload/files/mufodovodewabojubelupa.pdfIn PDF document text
- https://thuhuonglacquer.com/uploads/news_file/minave.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=fundamentals+of+plasma+physics+bittencourt+solutions+manualPDF link annotation
- 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_off0000b041.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB041 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c858.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC858 | 11216 bytes |
SHA-256: 0794b14e683d50b54c9c99fc8973169f4a2ff791a0b4ee60420247f964286cbe |
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