MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised WordPress upload directories, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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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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://catamma.ru/uplcv?utm_term=my+hero+academia+season+4+episode+25+english+dub PDF link annotation
- http://crocepadrekolbe.it/userfiles/files/wopobarowesejun.pdfIn PDF document text
- http://dafangtour.com/fckeditor/userimages/file/xazisemin.pdfIn PDF document text
- https://bushregenerators.biz/userfiles/files/ramowazizowujogil.pdfIn PDF document text
- https://olivierdaulte.com/ckfinder/userfiles/files/jovokuso.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613748980c224---wudovijutuged.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f287e37963---foxubomikex.pdfIn PDF document text
- https://gtnet-engine.com/ckfinder/userfiles/files/32798995151.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/92735393797.pdfIn PDF document text
- http://kruengrangthai.com/files/files/takiwe.pdfIn PDF document text
- https://radio-clipa.ro/userfiles/file/8053525922.pdfIn PDF document text
- http://trans-serwis.com/userfiles/file/65675419865.pdfIn PDF document text
- http://semihkerpiccilervesupersound.com/upload/file/navuma.pdfIn PDF document text
- http://chukguwang.com/files/fckeditor/file/10581556529.pdfIn PDF document text
- http://marisqueandopremios.com/campannas/file/vuzox.pdfIn PDF document text
- https://hattoco.vn/images/ckeditor/files/mizurolop.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/qpsp8m6uvspqbtrkn1b63dbkd5/99744909710.pdfIn PDF document text
- http://studiotecnicomaglio.it/userfiles/files/mijonaniweziga.pdfIn PDF document text
- https://phatgiaolongan.com/upload/ckupload/files/70206553655.pdfIn PDF document text
- http://gvs-russia.ru/admin/ckfinder/userfiles/files/golidapogisalopedek.pdfIn PDF document text
- http://srtprogetti.eu/userfiles/files/74321912212.pdfIn PDF document text
- https://jck.ro/userfiles/file/52182284387.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/161316fec04b04---55194796916.pdfIn PDF document text
- http://hum-lucknow.org/test/fckeditor/file/44513666975.pdfIn PDF document text
- http://qbcar.ru/ckfinder/userfiles/files/kibix.pdfIn PDF document text
- 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_off0000c48d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC48D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dca4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCA4 | 11540 bytes |
SHA-256: 037753e486345619cab0044f907b8b1e52cb8021de7365b578eef068a2dd118b |
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font_02_sfnt_off0000f780.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF780 | 17108 bytes |
SHA-256: 6dd9cf647dba952c60ae9adf648a43f345bdb4652f09971444fa661ce8fb9982 |
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