MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file is identified as malicious by an ML classifier and contains multiple heuristics indicating it's a link farm pointing to compromised WordPress sites. The document body, though heavily obfuscated, suggests a lure for downloading a "Reasoning book for bank po pdf download". The presence of external URIs and compromised CMS upload links strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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 https://medvor.ru/uplcv?utm_term=reasoning+book+for+bank+po+pdf+download PDF link annotation
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/bec55c923bef9337d04c9634d08faeb5/lelofot.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/4585b630670f4abdfb4092cfb86f76a2/29256939937.pdfIn PDF document text
- http://kibbkw.com/uploads/files/64611158372.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/4f832dcd517a96db1d114aa64e75ebe8/7534798327.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/57d5038b3d10365edca63427e246b2b8/fofajifiwasopajikuvojixad.pdfIn PDF document text
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/3na9hb4e2jg03l0a9f57ba1bit/papamamuvejej.pdfIn PDF document text
- https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/i9m88s84agjoa5nap1ts1bb92o/51330239162.pdfIn PDF document text
- https://cgeminfos.ma/upload/file/tumeje.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b06a207caf2---20026986692.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/4ea8f858b1c43a2053d43e27d49ef7f3/mikigabipizus.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b9d0e914964---96056304330.pdfIn PDF document text
- https://ipic.vn/userfiles/file/renam.pdfIn PDF document text
- http://caphegiabao.com/upload/fck/file/49375645297.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/7e49d0b0dbd1624b2d1382e36bb31c6c/sozuwosaw.pdfIn PDF document text
- https://foundryindia.org/userfiles/file/97103100373.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn 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_off0000df40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF40 | 5512 bytes |
SHA-256: 5dcd7dac4952e0bf356c1d3cfaccbb61998803bbded135f68e54aaacd42b5063 |
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font_01_sfnt_off0000f225.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF225 | 10616 bytes |
SHA-256: a3643074b4cd9073bfed346fc47d748de4512a82f26b311bbdba4a42445eddc9 |
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font_02_sfnt_off0001167b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1167B | 16164 bytes |
SHA-256: c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e |
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