MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this. No scripts were extracted, but the overall structure and URL analysis point towards a phishing or redirection attack.
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://rudolphalexander.com/uploads/files/lunuzidulaxilokave.pdf
- http://trunglam.vn/uploads/userfiles/file/jifoxam.pdf
- http://ttmm.co.jp/ckfinder/userfiles/files/93402549533.pdf
- http://gagutp.com/sa_upload/userfiles/file/20210906145809.pdf
- http://jwconsult2005.com/file_media/file_image/file/piselesavul.pdf
- https://gryf-wet.pl/ckfinder/userfiles/files/85707990961.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408b6b13e71---mojobofulogetikitepiz.pdf
- https://www.whoamiandwhyamihere.com/ckfinder/userfiles/files/sitojajuxif.pdf
- http://erpos.sk/data/files/morokazipexo.pdf
- http://makesrealsense.com/ckfinder/userfiles/files/24093865825.pdf
- http://isystem.hu/userfiles/file/mogawiropubon.pdf
- http://bftt.marketsearching.com/upload/files/41367751941.pdf
- http://quangcaosmsgiare.com/media/ftp/file/87381623453.pdf
- http://grandviewgroupresort.com/upload/files/45630375674.pdf
- http://xn--80aer5aza.xn---42-5cdakyymnnb9ake1az.xn--p1ai/ckfinder/userfiles/files/japedafajika.pdf
- http://antasboru.com/guvennet/resimlerfiles/73020324442.pdf
- https://noglehoma.com/ckeditor/files/files/dugozidusogeb.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150e995c9923---gokeganobumevisodi.pdf
- https://marblo.com/app/webroot/img/files/2741488743.pdf
- http://www.bandungmesin.com/file/39971029960.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161465db2740d3---35677176729.pdf
- https://bucatariizidite.ro/printuri-fi/files/44677283603.pdf
- https://haltia.mx/sii/ckfinder/userfiles/files/gutivuwemefixek.pdf
- https://rivieresoceanie.com/userfiles/file/vobizoruwadarosemupog.pdf
- https://efficientinfocomm.com/ckfinder/userfiles/files/sabalogugewexodedopix.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=pokemon+games+gba+rom
- 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_off0000b314.bin04b792ddf8d1d1dc1eb293ca460d4daf187ded2b5e6a27be62d6073fef824473 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB314 | 17268 bytes |
font_01_sfnt_off0000deef.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEEF | 16792 bytes |
font_02_sfnt_off0000f706.bin5f85573bd24c584b01f9f148e6494e37228c1d20317932c0f03bd52922f30603 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF706 | 10448 bytes |
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