MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links pointing to various websites, many of which are hosted on compromised CMS platforms and disposable domains. The ML classifier strongly indicates maliciousness, and the structure suggests a link farm designed to lead users to potentially harmful content. No scripts were extracted, but the overall pattern points to a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607bcbc554154---vufokepadoxojimodurebov.pdf In PDF document text
- http://kompletucetnictvi.cz/files/file/gajexuzowokufewun.pdfIn PDF document text
- http://auxerretv.com/content/public/file/6234420570.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a36aa698b06---26465665467.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079cfd888e8a---64136997585.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c9d432c934c---15947087064.pdfIn PDF document text
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aae93dbf60b---7448502751.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/344f19a987b0ed64c3e175664223a342/xoderenol.pdfIn PDF document text
- https://e-fasteners.eu/media/file/niwojamurumojaremobiki.pdfIn PDF document text
- http://www.thaiboat.net/image/upload/File/37052393223.pdfIn PDF document text
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/e123a39bea2aa8fd3c7807911050bbe6/lorekubarawefifosa.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/6f016a62c9fab5e3274097afbe58ba06/bujupaxawexalid.pdfIn PDF document text
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/5e438f15358f5a6e71d15f75dfdb47d2/jaliruvuwumamitumasasime.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a261e2d10f---punisevugiwavesarexek.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160b622c2879f5---57554476484.pdfIn PDF document text
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/5csdrgtv7p4ak89i1d52dm5j13/23477430885.pdfIn PDF document text
- http://spc1991.com/ckfinder/userfiles/files/lopitigesedajar.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=places+to+visit+in+chichesterPDF 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_off0000f165.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF165 | 16948 bytes |
SHA-256: 81bfc5b0601b30e06b032339017ef09b618287a7d0bdf9083de1a10cd5d4fe28 |
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font_01_sfnt_off00011d80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D80 | 10392 bytes |
SHA-256: 89d48845985c2129107cb3fb6a84e402dde4b7fbf7fa8ac7582569c2cc2ca80b |
|||
font_02_sfnt_off000134fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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