MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to other PDF files, many hosted on compromised CMS platforms. This suggests a tactic to distribute malicious content or manipulate search engine results. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 5
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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://tsegypt.com/file/97336846066.pdf In PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/906b9757ad02716940ddc1adad6343cf/65151415115.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1612f83c29cded---vanubox.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/56e7bed16059c494064767519260ea01/dexobifunikikeninuveju.pdfIn PDF document text
- http://mwflower.com/upimagesfile///sikerowokemevufila.pdfIn PDF document text
- https://dailyhondaotomientay.com/upload/files/silama.pdfIn PDF document text
- http://hengtongrongshang.com/jingkelun/userfiles/files/20210912015218.pdfIn PDF document text
- http://shangyi-pump.com/uploads/file/170737435762.pdfIn PDF document text
- http://jawarakreasi.com/file/23385838634.pdfIn PDF document text
- http://mediedil.eu/userfiles/files/34996815387.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/2fa8a890b86caf80ab08287b24a5acbb/desegobizimux.pdfIn PDF document text
- https://interference.ajoda.eu/userfiles/files/72490924313.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/9917462623.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/40639fd40a0c2796217207553519f9fb/nixokevu.pdfIn PDF document text
- https://haciendaloscipreses.cl/upload/file/wasupabi.pdfIn PDF document text
- http://ttmm.co.jp/ckfinder/userfiles/files/jeduludofegazur.pdfIn PDF document text
- http://home-plast.ru/foto/files/kigokebiwuninuba.pdfIn PDF document text
- https://cambodiaangkorhomestay.com/userfiles/file/60528848115.pdfIn PDF document text
- http://www.tecnologycenter.com/admin/uploaded/fck/file/10455381040.pdfIn PDF document text
- https://edex.co/userfiles/files/kipomaxanosizoledu.pdfIn PDF document text
- https://satbietthu.com/luutru/files/51969598856.pdfIn PDF document text
- http://nprofit.hk/userfiles/suveletefiditesiw.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=what+does+qd+mean+in+nursingPDF 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_off0000b0b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0B7 | 15920 bytes |
SHA-256: 94c5647aff462803b65a80ac258d895da46d5d39b186c66b61e1793501854b32 |
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font_01_sfnt_off0000d8bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
font_02_sfnt_off0000f0d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0D2 | 10888 bytes |
SHA-256: fb615aef585fea326858e8933120469e55278cb6b750c37f14c3bccc01e08c68 |
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