MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many of which point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. ClamAV and ML classifiers also identified this PDF as malicious, specifically as a phishing trojan. The presence of multiple external URIs and link farms indicates an attempt to distribute or host malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8d89b2d35---11778353012.pdf In PDF document text
- http://an-ocn.ru/ckfinder/userfiles/files/doledozuwuripuvugeg.pdfIn PDF document text
- https://b2b-intelligence.it/uploads/file/muzuwevojebifukizajarin.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b9cc010fc93e1c3634de2959b84ba50a/37506907728.pdfIn PDF document text
- http://twfindia.in/userfiles/files/14583291335.pdfIn PDF document text
- http://choinka4x4.org/cms/files/file/milixu.pdfIn PDF document text
- https://abandassociates.com/ckfinder/userfiles/files/7217195894.pdfIn PDF document text
- http://sportschoolindex.nl/images/uploads/7380656224.pdfIn PDF document text
- http://cppzone.ru/users/blogs/file/84589716873.pdfIn PDF document text
- https://arendic.cl/files/49222178875.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/c5egkpuvkmcg4an31c5dmlfstt/dewuk.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16134abb551b2e---taxosoj.pdfIn PDF document text
- http://pattarasawat.com/ckfinder/userfiles/files/zeluvutiwelavoju.pdfIn PDF document text
- https://aljuboori.com/userfiles/files/28569150941.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16142502663d76---19603081827.pdfIn PDF document text
- https://srccaa.bdbabymart.com/app/webroot/ckfinder/userfiles/files/7331266753.pdfIn PDF document text
- http://silverk.ru/img/lib/file/lefewezowok.pdfIn PDF document text
- https://clearpatth.com/userfiles/file/bidasadow.pdfIn PDF document text
- http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/55787113586.pdfIn PDF document text
- http://nage-z.com/ckfinder/userfiles/files/67192521817.pdfIn PDF document text
- http://chunmianxian.com/upfolder/e/files/20210908121014.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/16142fb08f0dbd---tolaxofexutomilizu.pdfIn PDF document text
- https://auto826.vnpec.xyz/uploads/files/11623176711.pdfIn PDF document text
- http://dissanna.com/temp/fckeditor/file/lesapabotoli.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=can+you+transfer+contacts+from+iphone+to+androidPDF 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_off0000b445.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB445 | 15064 bytes |
SHA-256: 5b093a35acefe0859cc3ff44fe0413e9b3fa3b40f8cc30d2e08d300b832b3fa3 |
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font_01_sfnt_off0000da84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA84 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f29b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF29B | 11084 bytes |
SHA-256: 3296ca36456d2037d49bbacba178691cb05767992e4ae7192a09e8811d5ba0e7 |
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