MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm on compromised CMS uploads and disposable hosting, suggesting it's designed to redirect users to potentially harmful sites. The embedded URLs, while some are marked benign, are part of a larger pattern of hosting links on various domains, likely to evade detection and distribute further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130f650c2e51---lopiboxok.pdf
- https://truckforceone.eu/upload/editor/file/gapetirawaxakepivowefuzu.pdf
- https://nothingbutsafetyglasses.com/userfiles/file/valibebujonilaxizojakux.pdf
- https://tumsad.org/img/editor/image/file/89583677603.pdf
- http://desushibar.com/userfiles/file/kufoligijamibuz.pdf
- http://bitite.lv/media/txt/122/file/dudomuxedes.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee3d874c2e---25508510233.pdf
- http://quranday.org/userfiles/file/noxoxakoxuvaru.pdf
- http://studiobardinisrl.com/userfiles/files/91815780268.pdf
- http://festacreativita.org/userfiles/file/32051566129.pdf
- http://naturalfurnish.com/userfiles/file/15380639451.pdf
- http://richmore.kr/uploadfile/fckeditor/file/77409308667.pdf
- http://www.adarshvidhyasankul.org/userfilesfile/20656401054.pdf
- http://studioboscono.it/userfiles/files/25558487440.pdf
- http://lisaarkin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dabekixiziwazudumonaraw.pdf
- http://skupka54.ru/upload/m/54590864158.pdf
- http://wadsoda.com/UserFiles/File/zutuxubavasozukuvogevapo.pdf
- http://utuin.net/files/fckeditor/file/31496268928.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16142b303ee56a---46475972007.pdf
- http://asbu.net/uploads/FCK_files/file/bafugobivuzitojowid.pdf
- https://ixiu-23.com/uploads/files/202109120753098853.pdf
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1613b5e1894ab6---9407976207.pdf
- https://jills.reviewz.eu/app/webroot/files/userfiles/files/66029761854.pdf
- https://nvsrolko.org/ckfinder/userfiles/files/62698452086.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+to+close+all+chrome+tabs+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_off0000d8a4.bin0607bbfdb18afb7988005e213d56525c86d34878c9ce63cfab383678adb50883 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8A4 | 18272 bytes |
font_01_sfnt_off000107a7.bin89cfe44950b8647c12ab3e6b464d8b472973c7553d005222846a5f0c8f59a39c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107A7 | 10852 bytes |
font_02_sfnt_off0001208a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1208A | 16792 bytes |
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