MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains multiple heuristics indicating it's a link farm, with several URLs pointing to compromised CMS upload directories. The 'SE_CLICKFIX' heuristic suggests the document attempts to trick the user into executing a command, likely to download and run a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 8
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a15205b055f---63779757909.pdf In PDF document text
- http://www.alfapilates.pl/upload/file/17412269119.pdfIn PDF document text
- http://stalmost.pl/userfiles/file/xawitipu.pdfIn PDF document text
- http://uspeh-kursk.ru/ckfinder/userfiles/files/86666189563.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/fcf9dc5b022fabd03033b0225e2f58ff/26350803723.pdfIn PDF document text
- http://mobydick-band.de/fckdata/file/lasadasusaxug.pdfIn PDF document text
- https://maxflowfans.com/userfiles/file/nodesakevobasol.pdfIn PDF document text
- http://maytinhtuyenquang.com/home/maytinhtuy/domains/maytinhtuyenquang.com/public_html/images/file/xuzezifisabinilibaxo.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b318cb6c7e---teseborisizewujijokukomew.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088e8774973b---81002902921.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/sawixasamilinuviguji.pdfIn PDF document text
- http://aircond.md/upload_fck/file/13045088627.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609a3786a3e2f---83955480329.pdfIn PDF document text
- https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/0ab5fdc58964fa6a40efe1740a85303e/pilojeb.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/donivapiv.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=garry+mod+download+freePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dde3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDE3 | 5100 bytes |
SHA-256: c0a61d0c2a99a8f22333bc23bfe87b3d97b5ddac9a93523de23e0224a552fc74 |
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font_01_sfnt_off0000ef44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF44 | 10920 bytes |
SHA-256: a5245df334834ca783d289d0ca8857c645e8981e372a54736e8f82a184b5d1d6 |
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