MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The document contains a link farm pointing to compromised WordPress upload storage, suggesting it's used to distribute further malicious content. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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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 http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a024a1a6a59---5794204586.pdf
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/613881ce822195596c72c4fe418a561b/70858472845.pdf
- https://miguktour.com/FileData/ckfinder/files/20210626_A07BAF5FC38F8A40.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16077ac4c3e8c9---85236146096.pdf
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/08de9dc82fe48f5c54f8f68e9330b566/51842053726.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/ef8344d3a90dc9b83be00db79d5c4865/tulubelatijox.pdf
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/1a5975465396c40bcbe479af83bfe35f/35088319095.pdf
- http://playfromhome.org/clients/4/49/49939bf6a151252ba1adfe53d1befa29/File/31467028655.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16092abfeaa74d---vibamozuludukuxewale.pdf
- http://bbbswalkforkids.com/clients/c/cf/cf8d0549bdc9bbdffca8bc0db9808b96/File/xodujisa.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609868443e9ff---revimerezuvux.pdf
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/64a09e798ce8f0a72665f4a0e9684af7/38440272200.pdf
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/v1cnv8gji57viffqp7d9slb786/33800833445.pdf
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c405d47a70---6758441008.pdf
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/udp1ebo1n1q3oav36edupjacra/zoxegazifimum.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160778e655968f---govukenekexosewerobefidip.pdf
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16076660a7f808---kalepunurojosiwox.pdf
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/a67502e7e754ec175e820288fb33a046/31906776700.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076b81fe87df---35658029426.pdf
- https://www.analfissur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f13a083e6e---vuwujinefesami.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c5ce0c91184---juwax.pdf
- https://altonika.pro/files/fck/file/46424833976.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=introduction+to+plant+biotechnology+hs+chawla+pdf+free+download
- 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_off0000e095.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE095 | 16792 bytes |
font_01_sfnt_off0000f8ac.binffd1c29d2908a734afc85875bfe6a095f4825be423a453e15708d958510cdf0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8AC | 11292 bytes |
font_02_sfnt_off000112c3.bine31c7712d8ec4fa6c7119deb87812bbcf0ae61b65868a40e1c71895d91b92f73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112C3 | 17888 bytes |
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