MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 http://gyobel.itpublic/file/fitevutedis.pdf In PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/87bdb578c93b09d0efc48196caba4c99/25184996033.pdfIn PDF document text
- http://seoulsquare.com/userfiles/file/pariwenijeletot.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/ccec29f54347fbe98120b86095008acd/moxivizapavekiwu.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609862a87d6f9---13452703473.pdfIn PDF document text
- https://recapress.com/ckfinder/userfiles/files/suxex.pdfIn PDF document text
- https://hrmconsulting.biz/upload/files/56927742834.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085cda73502a---57215559158.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/9836c89c593eeca1104f8314bf70ad12/52957971140.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160942cb5474bf---kalufadixaduwifimuwanu.pdfIn PDF document text
- https://bczenekar.hu/files/file/kifedewumakepazavuzutogu.pdfIn PDF document text
- http://stlnsk.ru/uploads/file/40115366146.pdfIn PDF document text
- http://analogsys.com/uploaded/file/1322556039608c0f151118c.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ecec01dabc---84197388603.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160cbe5d90e699---47024501002.pdfIn PDF document text
- https://autotrans911.com/thread/admin/uploads/file/74059603640.pdfIn PDF document text
- http://dighakanchaninternational.com/FCKeditor/file/fepimiko.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/68e13a177cb7852cbf427b55da7c89ad/35840916678.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/8s8420q51933hg029qr80bobju/86201623440.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=black+and+tan+short+haired+dachshundPDF 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_off000143e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143E7 | 16948 bytes |
SHA-256: b55abe2bb703f159acb0b16a261235de54535310baa23571ac9abbef1d43dfc8 |
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font_01_sfnt_off00016fbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16FBC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000187d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x187D3 | 10712 bytes |
SHA-256: caa9e0fe5f99dd7adbb1a3449d51616391de9019a665830492da230aabd0d4b1 |
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