MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure points to an attempt to redirect users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/9de096861817ab9a596e058608086b93/jepagux.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607e30062218c---12133648266.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160a5097eabf18---82388724952.pdf
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160799dda46d23---55910719975.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c62d82fe2c---ragotaraveme.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160760087c1ea8---xobukonifub.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608439ad74e26---23176398334.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16079ba5a5cb01---27374901026.pdf
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/pl6jmlq9ji24edjpphmaio8gok/wezokotiri.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/kgbj086jth5njp19anuaj0c49b/xodavexugususuni.pdf
- https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/16fb80887a3ecf3b91bcae5332577633/susalu.pdf
- https://meesens.be/KrMee/Tekstverwerker/69873412292.pdf
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f1480a3b62---gerigu.pdf
- https://appvid.eus/userfiles/files/65546311597.pdf
- https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/6ghpb3r3p21n0it5v9ebmn6rac/4988942703.pdf
- http://darienhigh69.com/clients/866565/File/51093014868.pdf
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/dlfj6tlhutt2g8rf428s0kl06i/pedavuko.pdf
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a44f80748---1211013500.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/8c9t5ut2f9gdbgep5pud2gl43c/69473710464.pdf
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bde45d6ab3d---52922418583.pdf
- https://amrapalispot.com/userfiles/file/80482097674.pdf
- http://edgecs.net/documents/70701833902.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=wildfire+in+his+arms
- https://medlineplus.gov/wildfires.html
- 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_off0000f084.bin76badc870bd55ece4b83255732d84ec5f66d17dd62588b0e15b11a0e55e1cf0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF084 | 17128 bytes |
font_01_sfnt_off00011d12.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D12 | 16792 bytes |
font_02_sfnt_off00013529.bin5b3c8a8c9b4da652a21dff41578638035b025edc11e7203e5bd04ca9e769e28f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13529 | 10396 bytes |
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