MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
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, presents a deceptive download button and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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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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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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 http://mexvp.com/ckfinder/userfiles/files/wejabadaresuxatijef.pdf In PDF document text
- https://interference.ajoda.eu/userfiles/files/kotipezabefazep.pdfIn PDF document text
- http://nomorecpapmachine.com/userfiles/files/18746330002.pdfIn PDF document text
- http://traviet36.com/upload/files/16532385536.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16130662271778---nilagu.pdfIn PDF document text
- https://asfus.net/virgsurv/userfiles/file/82907555205.pdfIn PDF document text
- http://biemmecommerciale.eu/userfiles/files/tetejadudasajuba.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/161301c488d41f---guremekixagudezasekaj.pdfIn PDF document text
- http://najlepsietorty.sk/uploads/fck/file/tugebinapi.pdfIn PDF document text
- http://cobmedia.hu/include/viraditaxekutat.pdfIn PDF document text
- http://huyndaicaudien.com/upload/files/vipeliseki.pdfIn PDF document text
- http://laibros.com/ckeditor/userfiles/files/24899071787.pdfIn PDF document text
- http://paletydozahrady.cz/ckfinder/userfiles/files/85449551834.pdfIn PDF document text
- http://sanalights.com/admin/admin/uploadfiles/file/3388024533.pdfIn PDF document text
- http://dmkert.hu/files/file/vopifolulop.pdfIn PDF document text
- http://livestocktool.com/d/files/18159368856.pdfIn PDF document text
- https://bachson.net/upload/file/sajowupujebovaditovajaj.pdfIn PDF document text
- http://kftchem.com/upload/files/3306977430.pdfIn PDF document text
- https://thietbigas.net/media/files/wuziwud.pdfIn PDF document text
- http://stsmcc.org/www/js/ckfinder/userfiles/files/63479996910.pdfIn PDF document text
- http://knuhpharm.kr/userfiles/file/20210910200919.pdfIn PDF document text
- http://daejonggyoyc.com/userfiles/file/20210907144620.pdfIn PDF document text
- http://gmkms.net/upfile_editor/2021/files/fedusimedumipisevopokowo.pdfIn PDF document text
- http://logenamerica.com/userfiles/file/12892197286.pdfIn PDF document text
- http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mufuw.pdfIn PDF document text
- http://purepoem.com/resource/docContentImg/file/2021-09-05/5fbf8ace3443c4f91c93946ed37b3178.pdfIn PDF document text
- https://ctcitsupport.com/media/files/73346150693.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=castle+crush+hack+mod+apkPDF 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_off0000dda5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDA5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5BC | 10804 bytes |
SHA-256: 36777292464dad4b5d8eeddea692e8bbbec4d69b77152bd8c2127a8d89e8d942 |
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font_02_sfnt_off00010eb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EB4 | 17376 bytes |
SHA-256: 90712ace7d1bb3e288d3fd03c4b5d151fe093164885ca34105a2b36790496ce6 |
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