MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF that contains numerous links, many of which point to compromised websites or disposable hosting, suggesting a link farm used for phishing or malware distribution. The presence of a 'Download' button heuristic further supports the lure-based attack pattern. ClamAV detection and ML classification confirm the malicious nature of the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 7
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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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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 http://kulturazebrak.cz/userfiles/9750506452.pdf In PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/67f4q6j0mm45rchnr4gekvaqsb/4614359023.pdfIn PDF document text
- http://htwy.com/upload/file/fobunejuniruwugejufexamum.pdfIn PDF document text
- https://profipreklady.cz/www/ckfinder/userfiles/files/16099048351.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/a7380ea77ec31a097647b707f5297e17/tenazuvosaxebowebadud.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2eb3983050---dixit.pdfIn PDF document text
- http://khiconghoixuancong.com/Khicong/admin/userfiles/file/nogefupabelibusomaribim.pdfIn PDF document text
- http://antwerp-reefer-tournament.be/argt/files/22072157374.pdfIn PDF document text
- http://sivam.pl/files/file/57384390743.pdfIn PDF document text
- https://www.saammohaseb.ir/wp-content/plugins/super-forms/uploads/php/files/2531678b4d533d11e4761004ff87b0c5/17801778209.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6b0353d31b---26465989346.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606cef9798dbf---28243673096.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16087227d494dc---vojakip.pdfIn PDF document text
- https://cleanenergy.mn/uploads/files/livelekelekiv.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd018687c9---wuwatesukodisoguketala.pdfIn PDF document text
- http://sushi-belovo.ru/files/weresoreji.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/c2hjm7l96guas8ovvg2j7foc57/lekedili.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609c155780f9c---67727973307.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d27dd3bfc27---wezorefanisitobajuv.pdfIn PDF document text
- http://goref.ru/files/file/29481078832.pdfIn PDF document text
- http://dlzj.net/upload/files/20210530124317706631.pdfIn PDF document text
- http://pamat.ro/UserFiles/file/7674980922.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=free+summer+camps+nyc+2016PDF 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f026.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF026 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001083d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1083D | 10832 bytes |
SHA-256: 666cf89ee2a1c99bf081a0842af206e601b4ce9d6a5bd1020658ecf32104830a |
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font_02_sfnt_off00012157.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12157 | 17332 bytes |
SHA-256: f5c3e11d8c5ed8b8ef84f15460ffa1f72d57a1de411358c449da6d2f4f7234d2 |
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