MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many pointing to compromised WordPress uploads and disposable hosting. These links form a link farm, likely intended to redirect users to malicious content or phishing sites. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://debeight.net/UserFiles/File/xefife.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/c5210ad233d954d5cb4bdf0cce7c0aea/fafejinejokenewetalamisiv.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3e4c4f64e---76880749506.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614bf3292ca0c---87729428429.pdf
- http://cetis156.neutronds.com/assets/js/ckfinder/userfiles/files/kiseripep.pdf
- http://amy-tsai.com/images_express/userfiles/files/63205432932.pdf
- http://pataibicaj.hu/userfiles/file/90211703747.pdf
- http://c2ctrading.org/cms_upload/files/33407935265.pdf
- https://1000families.eu/userfiles/file/razowadu.pdf
- http://erh-hu.com/userfiles/file/furabalatufamezawakaxevav.pdf
- http://xn--xhq021fvrwdth.com/d/files/69652139705.pdf
- http://tamtamphat.com/upload/files/75443477243.pdf
- https://shiksha24.com/userfiles/files/63231881236.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16136261c599a4---28342232970.pdf
- https://shoppingplanet.ro/ckfinder/userfiles/files/94172260320.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614cce3c46f72---28054107343.pdf
- http://hytechcommunications.com/userfiles/file/tamipotubodarojamafemuge.pdf
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/80ede388b55eabc2ff5df58589f80923/12144793664.pdf
- https://mavachhaiphong.com/upload/files/79932235066.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1614546f892edb---xenakidadusibixaberira.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+turn+off+the+autocorrect+on+android
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bf66.bin2f8bc1e36ae56ce8aa0b28768c43b995ba6727eeb336d0fade06a984a832a06b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF66 | 20260 bytes |
font_01_sfnt_off0000f468.binc669f503ad6f4af89370c869595e820750c6c92ded254423b47477341bd9e32b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF468 | 10536 bytes |
font_02_sfnt_off00010c5a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C5A | 16792 bytes |
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