MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to potentially compromised websites or disposable hosting. The primary purpose appears to be redirecting users to external sites, which is a common tactic for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f9beed4f89---21335448300.pdf
- http://archinfo.ru/uploads/file/wovexetasaweb.pdf
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/5a320eb1144ee3493e53d08a4e5a500d/7812115155.pdf
- http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/59119835676.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/bc9c27587aa116925fbb20b7d5a082c3/gidefepe.pdf
- http://bajajsports.com/userfiles/file/1258780884.pdf
- http://dabaizhongxue.com/upload_fck/file/2021-6-21/20210621125329832475.pdf
- http://www.alexgis.com/siteuploads/editorimg/file/muzubiriranogaxopako.pdf
- http://skyline1968.com/clients/74864/File/18003893004.pdf
- https://sudhirsachdevaclasses.com/ci/userfiles/files/pinaxoloz.pdf
- http://busankid.com/webfiles/board/file///6715244307.pdf
- http://dekobonner.de/userfiles/file/66804332201.pdf
- http://pcserviszlin.cz/ckfinder/userfiles/files/44843284390.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/1440e3030e842721433486bb19e4c9ec/251106753.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608575444f6c7---62938688476.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/7ab412314858af1734c12ba2a0b27a9d/69967835987.pdf
- http://www.chatanakonci.cz/userfiles/file/24021593848.pdf
- http://polipack.ru/content/file/zemewidatadobejevaralulik.pdf
- https://299-45.com/CKEdit/upload/files/19824550097.pdf
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b856e245b32---42567981893.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/c8110275f2b53197af3befe815e57038/1115852885.pdf
- http://zxpgw.com/userfiles/file/xuvuvow.pdf
- http://lukinserv.hu/file/86738141029.pdf
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ade12138d4---bowewalezuxu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=metformin+side+effects+sickness
- 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_off0000eef6.bine832290fcb5140a63d5bc5e0ef7eee08505334b56b3947f04dc9fc508bcc89c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF6 | 10512 bytes |
font_01_sfnt_off000106ea.bin9fe227b1b396884c170273a120c41a125789e5ef16b84ce52910f5253c8fad2b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106EA | 16556 bytes |
font_02_sfnt_off00013204.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13204 | 16792 bytes |
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