MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to websites, many of which are hosted on compromised WordPress installations or disposable domains, indicating a link farm used for malicious redirection. ClamAV and ML classifiers identified this PDF as malicious, specifically a phishing trojan. While no scripts were explicitly extracted, the PDF structure and URL patterns suggest it's designed to lead users to malicious content, likely as part of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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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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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://archism.ru/uplcv?utm_term=new+pirate+song+2021 PDF link annotation
- http://msslink.ru/userfiles/files/50419689796.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1614f3ade8581f---mirolimunurevezewa.pdfIn PDF document text
- http://bocghedanang.com/media/ftp/file/10674355317.pdfIn PDF document text
- https://gadd-asso.org/userfiles/file/78384185005.pdfIn PDF document text
- https://jck.ro/userfiles/file/lolepobajikujanof.pdfIn PDF document text
- https://profm.hu/files/file/sanil.pdfIn PDF document text
- http://avon-bratislava.sk/files/files/milipemad.pdfIn PDF document text
- https://totspotdaynursery.co.uk/ckfinder/userfiles/files/26648803643.pdfIn PDF document text
- http://saydersan.com/firma/files/94099912769.pdfIn PDF document text
- https://iphastkala.com/userfiles/file/98893890900.pdfIn PDF document text
- https://triptoboloyfoundation.org/editorsfiles/files/lojewofolivo.pdfIn PDF document text
- https://mimpiindah2.com/contents/files/razudurukopirizesazufu.pdfIn PDF document text
- http://talk200.com/admin/admin/uploadfiles/file/vuragonunalituvuwowobe.pdfIn PDF document text
- http://preprod.app-nomads.com/ugecam/admin/ckfinder/userfiles/files/61204449702.pdfIn PDF document text
- http://crisismobile.com/ckfinder/userfiles/files/murekobirifod.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/ila3a69h46m1k4uogm0dd1tngg/69323403993.pdfIn PDF document text
- https://datatech-int.com/userfiles/file/22682556105.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16142a6afeb444---xigetubeburevikaviw.pdfIn PDF document text
- http://zdravi-kromeriz.cz/files/file/debelonimerasu.pdfIn PDF document text
- https://dukra.sk/editor_uploads/files/damupu.pdfIn PDF document text
- http://itkaufmann.com/images/fckimages/file/gizifuwegimabo.pdfIn PDF document text
- https://banifatemeh.org/data/file/10344695988.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_off0000dc40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC40 | 10736 bytes |
SHA-256: f89da7e4ff3d203b14c7e2a5755888d205ac6b302a95bd59340b1878ce340700 |
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font_01_sfnt_off0000f538.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF538 | 21160 bytes |
SHA-256: 619f0a9a9f29dc111c92635a82ea3a19620ad5231eb156be21f565f98f2d3a82 |
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font_02_sfnt_off00012c37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C37 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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