MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many hosted on compromised WordPress sites or disposable domains, indicative of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure points to a malicious PDF designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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=another+word+for+tidy+and+clean PDF link annotation
- http://kimbuunguyen.com/uploads/userfiles/file/49750096185.pdfIn PDF document text
- http://jgbt.us/pds/userfiles/files/fikabilevux.pdfIn PDF document text
- https://okud-istra.hr/userfiles/file/78175532428.pdfIn PDF document text
- https://thaiahpa.com/flash/files/22252539022.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/f0561ffd2e6c796310290077936ff63a/67900359754.pdfIn PDF document text
- http://birnagarcollege.in/userfiles/file/42982918837.pdfIn PDF document text
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a568a5854e8---71362459539.pdfIn PDF document text
- http://ecompletecontact.com/ckfinder/userfiles/files/topizoxivuzobigemu.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/cc48755e00deec5dd548121625f7e7aa/bunitakawebijejebiru.pdfIn PDF document text
- http://e-skala.pl/userfiles/file/makizefaxufizuxewarowa.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094a37e74bf6---3881153528.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b3fe4c629e4---boluxorivuri.pdfIn PDF document text
- https://soudurelauziere.ca/upload/editor/file/pekofixirubuve.pdfIn PDF document text
- https://promobryansk.ru/userfiles/files/82448958464.pdfIn PDF document text
- https://ivanamihic.com//files/tozolakenes.pdfIn PDF document text
- https://olympicwroclaw.pl/zdjecia/fck/file/toguwatifivazunewanivuzut.pdfIn PDF document text
- http://engroupe.ca/aym_image/files/26480852931.pdfIn PDF document text
- http://location-venise.com/italie_documents/files/69762340891.pdfIn PDF document text
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/3cd12bc3407ce64878baf6862d07fc5e/3118038529.pdfIn PDF document text
- https://aihr-iadh.org/uploads/FCK_files/file/gitiwunokurozez.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cacaeec765---norefoxowaw.pdfIn PDF document text
- http://saipanbooking.com/FileData/ckfinder/files/20210704_EBB446E7AB9A3B52.pdfIn PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d10834d7a---jubefakenumewebed.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_off0000f010.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF010 | 17776 bytes |
SHA-256: 544444cb8337039e6bf867b173c6dc48f5470d3c9dc368205c8531607bc6ff5b |
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font_01_sfnt_off00011f15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F15 | 10584 bytes |
SHA-256: 31ee3e54f1fcdab885db29b5d89221412df076dbf318e66205068fc13cda6ef8 |
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font_02_sfnt_off00013747.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13747 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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