MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded URLs, many of which point to compromised WordPress sites. The ML classifier strongly indicates maliciousness, and the structure suggests a link farm designed to redirect users to potentially harmful content. No scripts were extracted, but the primary attack pattern involves luring users through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://chcial.ru/uplcv?utm_term=i+am+always+alone+quotes PDF link annotation
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3973d22542---vizimoverizetavisowede.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b751149bb5f---89727556567.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16081b3cfa438d---11527660484.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/a916a839e79153b02d411574fd28ca8f/tobugibo.pdfIn PDF document text
- https://altonika.pro/files/fck/file/vunigepomapidanus.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608569dbd5bcc---67768290801.pdfIn PDF document text
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/374d9a07442af0087052313da600009c/86047657379.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a78cc415513---22961885335.pdfIn PDF document text
- http://hyperasp.net/userfiles/file/8467324046.pdfIn PDF document text
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8870005963---14670475844.pdfIn PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160701f9da93d6---mumositujomo.pdfIn PDF document text
- http://vinhthuan.com/upload/files/3280969140.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/do411djf8ns3jhj5tah6nhgss3/49756747784.pdfIn PDF document text
- https://euroroma-bg.org/files/file/fisawevu.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5f193a594---kipipezipesigijew.pdfIn PDF document text
- http://gruaszarate.com/ckfinder/userfiles/files/xusitu.pdfIn PDF document text
- http://eugensa.lt/app/webroot/uploads/userfiles/files/91777364789.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717464915c8---83152545757.pdfIn PDF document text
- http://winfielddeli.com/ckfinder/userfiles/files/niguro.pdfIn PDF document text
- http://www.alfapilates.pl/upload/file/fosatuxajoxugiwexi.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/4e651168c619d34baa351037bdb4c16e/fozasopafotipewevavosuv.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/eb79a1b16650243caa7ec028a15bc748/35197794451.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607356c17513f---nutenobanejis.pdfIn PDF document text
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a256de75129---9521080520.pdfIn PDF document text
- 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_off0000c131.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC131 | 10472 bytes |
SHA-256: ce24363e782a7faf557d3be8264aacbfcf05da578d6cc56940ba2eddf1347798 |
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font_01_sfnt_off0000d91b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD91B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f12d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF12D | 16892 bytes |
SHA-256: 807aaaa843703c865d7e993afe45d4b3a19c3c339047ba19e34ad2c645aabafa |
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