MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or trojan payload. The presence of multiple links pointing to compromised CMS upload directories and disposable hosting suggests a link farm designed to redirect users to malicious content. The heuristic 'SE_DOWNLOAD_BUTTON' further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://internationalmedia.com/userfiles/file/futexufaruvuj.pdf In PDF document text
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/c99e5b557b2e136222acbb3b5865a51f/sugozuvu.pdfIn PDF document text
- http://lavalnerina.it/userfiles/file/bedurujolenosumumixarotum.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfe7fe7fb3e---zolop.pdfIn PDF document text
- http://brooklinehs1964.com/clients/6/6a/6a3559cec3eb17f551da2d864c8c85ab/File/telisolanilosumiwe.pdfIn PDF document text
- http://clearspace-design.com/CKEdit/upload/files/85773485081.pdfIn PDF document text
- http://jameshamiltondds.com/clients/6/6c/6cc67b5d90347a591bf4e9c0b97a5143/File/liviganeroradelubixev.pdfIn PDF document text
- http://charivne.info/images/file/33582769642.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088f66ea51d0---poderixexesuz.pdfIn PDF document text
- http://ewhamd.net/upFiles/ckeditor/files/64637354729.pdfIn PDF document text
- https://aimhc.com/userfiles/file/47271922574.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/1608086bd6495a---79030884552.pdfIn PDF document text
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/2c51b85a0b5fa2b7764281c3c985e1b0/40111561733.pdfIn PDF document text
- http://bhhangkhong.com/upload/images/files/mubuwivilojemaritiraris.pdfIn PDF document text
- https://foundryindia.org/userfiles/file/xomikemalanepafadij.pdfIn PDF document text
- http://wuxihemei.com/ckfinder/userfiles/files/20210626_022918.pdfIn PDF document text
- https://weeb.nu/userfiles/file/83579927852.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5b793704e---nijamobiwawupabavamin.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/e8e8aa5341cc5e30df51934545421be3/jubamizebikuxozotot.pdfIn PDF document text
- http://gernano.eu/gfx/userfiles/files/63016184025.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/siiqa20vll22qgo2h795g7crk3/xunirekubudutuj.pdfIn PDF document text
- http://peeweeslearningcenter.org/clients/5/54/545fcf94abc6bccf175f3035c740e6d3/File/tatiwolomozukogebura.pdfIn PDF document text
- http://sbhs1967.com/clients/8/89/8985ce50e7417da620f75e2af787291b/File/45474635883.pdfIn PDF document text
- http://bluestandard.pl/ckfinder/userfiles/files/pezegenide.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e28e1d45227---texegisumorum.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=como+desenhar+quadrinhos+no+estilo+marvel+pdf+downloadPDF 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_off0000cc12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC12 | 17096 bytes |
SHA-256: 351c323e473af5be329d38635cd3913e20e879e10d186f30f815034297d3c96c |
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font_01_sfnt_off0000f83d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF83D | 11192 bytes |
SHA-256: 5700969e3ec107ded9f55bf4cc078dd8f8c81d14010200c4a9083b2b96c343fa |
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font_02_sfnt_off0001121a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1121A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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