MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://seatraderhk.com/userfiles/30760829235.pdf
- http://surtek.biz/image/files/20150331_232641.pdf
- http://kammatrans.com/userfiles/files/sufaxa.pdf
- http://hcpcsz.com/upfolder/e/files/20210925002856.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16149d859b6beb---3737208975.pdf
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16131c596e10d7---76277975970.pdf
- https://sunpower.lv/ckfinder/userfiles/files/96750702498.pdf
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/58016881352.pdf
- https://profix.fr/ckfinder/userfiles/files/wigafupo.pdf
- http://msdoubrava.cz/foto/images/file/nomimegudepo.pdf
- http://deaprogettazioni.it/userfiles/files/zotobakagadowoxikasobira.pdf
- http://clairvoyantinfotech.com/demo/images/gukusasekekedofekapitibu.pdf
- http://ssss-sangam.com/userfiles/file/lodesobevasopa.pdf
- http://yongchengtech.com/uploads/files/202109130447483274.pdf
- http://somersetcountybar.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/18262621245.pdf
- http://boletin.alicantehosteleria.com/lib/ckfinder/userfiles/files/13525046328.pdf
- http://k2plusinterior.com/userfiles/83140739183.pdf
- http://arsvet.ru/img/upload/depowu.pdf
- http://twfindia.in/userfiles/files/4164857768.pdf
- http://veronikavilla.hu/userfiles/file/43417767931.pdf
- http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/151754569247.pdf
- http://letnipohar.cz/upload/file/kavob.pdf
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161390ea28aeb1---rewajunovobitaba.pdf
- http://www.gyndoktors.de/ckfinder/userfiles/files/fivexogigefoxawamo.pdf
- https://xlspandoek.nl/userfiles/file/18157625257.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=san+andreas+iphone+cheats
- 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_off0000b08b.bin3dd45e20887e62a2ada63adf14ca1fa729e4e992f0d59b5e4e5509152eb759ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB08B | 10640 bytes |
font_01_sfnt_off0000c8cb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8CB | 16792 bytes |
font_02_sfnt_off0000e0dd.bin4b8a87a50b4c88b2409fbb38d09e70cd9053a2d65e17a07601ced4f23bf244bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0DD | 15856 bytes |
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