MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://jajugroup.com/ckfinder/userfiles/files/mupugunisoxeguwowokilemeb.pdf In PDF document text
- https://mamap.in/ci/userfiles/files/wewusisexifixirog.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/zizutujetisojug.pdfIn PDF document text
- http://www.radanhorse.com/resource/files/zijagi.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131fde3df7f3---45553092768.pdfIn PDF document text
- https://ambient-interier.cz/files/files/zojabikarusutezakunumegid.pdfIn PDF document text
- http://mmprogetti.it/userfiles/files/59927042538.pdfIn PDF document text
- http://spec-so.ru/sites/default/files/file/49539694240.pdfIn PDF document text
- http://jungvassar.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xapemikudajekajokamevi.pdfIn PDF document text
- https://at2-turbo-j3t.com/contents//files/xexururomizovef.pdfIn PDF document text
- http://easternsheep.by/app/upload/file/95352195837.pdfIn PDF document text
- http://pizzeria-millemiglia.de/app/webroot/img/editor/file/rodorafewufuni.pdfIn PDF document text
- https://habibitours.org/ckfinder/userfiles/files/sezigulasasunenaguvaw.pdfIn PDF document text
- http://geologicatoscana.eu/userfiles/files/xogajebomijobupefuwineru.pdfIn PDF document text
- http://bbpcosmetics.com/admin/upFiles/2021-6/file/56715482690.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160ac9ecc8987f---kilomotolir.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b9fe7cffe---potuzipukafexujen.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bbc2c3bee0f---46651083190.pdfIn PDF document text
- http://gdlianyu.com/uploadfiles/file/zetalutaripiruwularire.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/klg2077om2ov1r9e0mo98gd21b/45965514072.pdfIn PDF document text
- http://vibestedu.com/_UploadFile/Images/file/46646925004.pdfIn PDF document text
- http://sam-global.info/files/file/pevuvu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=dsm+5+manual+completo+pdf+espa%C3%B1olPDF 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_off0000d22e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD22E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA45 | 11032 bytes |
SHA-256: f5665cf544619343a380e03720b9f9075f6f9d54a68a8d1a713baeaec235934d |
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font_02_sfnt_off000103be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103BE | 18244 bytes |
SHA-256: f20ce4560704d86c79a17c60a6140d100d1a525e65af681d4eefee03c4317b85 |
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