MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of external URIs and compromised CMS upload links indicates a likely attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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=one+tree+hill+watch+online PDF link annotation
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/df3600b8593805f03da930766e54d74e/wupegasobolarewopoza.pdfIn PDF document text
- http://stacjaregeneracja.pl/userfiles/file/16812417206.pdfIn PDF document text
- http://www.og2c.com/images/file/dikomixeronob.pdfIn PDF document text
- http://wlpp.net/images/blog/file/jojaniwuz.pdfIn PDF document text
- http://ya-ke.cn/admin/upload/60669389815.pdfIn PDF document text
- http://gdwtechnology.com/fckeditor/file/24394473347.pdfIn PDF document text
- https://blueparadise.pl/userfiles/file/wavokajem.pdfIn PDF document text
- http://lor-rostov.su/userfiles/files/lunito.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139d04ba1253---sosobajake.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16142f8c26294b---3432402972.pdfIn PDF document text
- http://meuble-tunisie.com/userfiles/file/rokukekajinizad.pdfIn PDF document text
- https://bokaichenyu.com/upload/files/dugiwesujakizigisekevos.pdfIn PDF document text
- http://superlitefan.com/uploads/files/29356888417.pdfIn PDF document text
- https://andhimazhai.com/images/files/75914669097.pdfIn PDF document text
- http://mayjack.com/upload/files/mumizevu.pdfIn PDF document text
- https://deshpanday.com/ckfinder/userfiles/files/zutatojez.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16148f72092b2c---wusurimaximitezetax.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/silaxajoxanigepepop.pdfIn PDF document text
- http://tcsm62.org/uploads/news/file/rekajubaze.pdfIn PDF document text
- http://hamdannepal.com/userfiles/file/nuremexosonavegafem.pdfIn PDF document text
- https://akemi.ro/hirek/file/26301881627.pdfIn PDF document text
- http://jamxmpharmatech.com/upload/files/mowes.pdfIn PDF document text
- http://eros-arena-reutlingen.de/eros/userfiles/file/9164023678.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_off0000d3a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ebb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBB4 | 18164 bytes |
SHA-256: 045c94b2c9aad06608f5b31ea330132ac5f5eda6f0eb1a14aead7afa930382d4 |
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font_02_sfnt_off00011b48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B48 | 10272 bytes |
SHA-256: 72be4e696cb76ce600d7420c8779075b6eb33c010364279f87997ae48c0c7789 |
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