MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm hosted on multiple compromised WordPress sites, suggesting an attempt to distribute malicious files. The ML classifier strongly indicated maliciousness, and the presence of numerous links points towards a phishing or malware distribution scheme. No scripts were extracted, but the structure and URL patterns are indicative of a common distribution method.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/7v9ac5mr7vl9h3va3pjeovuus1/rogimunerudi.pdf
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/55fde74d59ee7d5874feb49f0f2b2e30/2960454587.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073041a4d14d---45173105786.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a92808454c9---gusudawalijekazigaxixe.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080eccdbbad5---sanejugovegejipepow.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6a8d70653b---domaziwolivix.pdf
- https://betenagro.com/sites/default/files/file/18786541448.pdf
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607f19bf8c17e---budakeboluzisan.pdf
- http://gazosilikatnn.ru/uploads/files/29989816234.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160814dfa02bda---xujiduz.pdf
- http://boathousebrokerage.com/userfiles/file/78729774332.pdf
- http://mamam.by/upload/File/file/domufedipamalenen.pdf
- http://sjhrz.com/images/upload/File/wexaxekomuli.pdf
- http://dyglas.com/userData/board/file/90991796639.pdf
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/9a7d7bbe1531963212b0934d51b52bd2/mopiwekikofixoto.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/22092b7a4e47ab16c55ed9459f789695/62657484545.pdf
- http://studiofapas.it/userfiles/files/xokiniputi.pdf
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/7f76b9549a218eb81313c7eb679f9890/xugunegawudefodazu.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a64ec4ef9---83743266926.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a324d497707---92326710248.pdf
- http://grimastone.ru/files/71046078343.pdf
- http://zoop-tech.com/ckfinder/userfiles/files/3473775838.pdf
- http://fcv-bo.org/data/fcv-bo/userfiles/file/siseboje.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=guided+meditation+script+for+achieving+goals
- 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_off0000ec57.binb4cbcd9a8528cf7918cdbfec62da29e299ef0f7e8ecdaef672dff88526b7e204 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC57 | 16764 bytes |
font_01_sfnt_off0001177b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1177B | 16792 bytes |
font_02_sfnt_off00012f92.binf448a93ccad2abc6d28522951d9d7b3ca5c6539eb62d4cc2d7a077ec94e34e43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F92 | 11272 bytes |
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