MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The file functions as a link farm, containing numerous URLs that point to compromised CMS upload directories. These links are likely used to distribute phishing content or further malware payloads to unsuspecting users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 6
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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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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://healthmatters.me/userfiles/file/24858889105.pdf
- http://hzkontejnery.cz/ckfinder/userfiles/files/14447053093.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/1e7414dc49a307f6b1b5cef598c0b550/49916558546.pdf
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afec8b2ebf7---55230625965.pdf
- http://dok-vo.ru/userfiles/file/88834437979.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/p8n0ahibni5ee7kj2958au8o0a/19667398064.pdf
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4bb0437c7---7971061694.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607285addb2c7---33349023592.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609788e352787---53006622692.pdf
- https://tsegypt.com/file/11973139967.pdf
- http://ampletrekking.com/userfiles/file/kezuvoni.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/uuga0p0rj95hg12mu2bo9uuhm9/20100961016.pdf
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bffcfbd88b8---dowovubadusikeritireriw.pdf
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/af0b9dacc3aafa7d45182eccb1d90fee/10914357608.pdf
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202106110221095337.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b87a6a1bb4a---wazelosekukapowuvite.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/o3q3giqpklbmndnp6rsrfa39b0/47168164392.pdf
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/2kmulcd9rab8a6dvuqltp6u9j0/suwipuviremolafesofom.pdf
- https://airbays.com/userfiles/file/47763740451.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/f77e20393fc7566d76f5df4bdb63098a/zojezejobigaf.pdf
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/64baa5dfbc41a530ae945127c8b6f9d8/pujozuzuwinumupageji.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=curr+opin+pharmacol
- 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_off0000e274.bin19089dba65ac56fef413a104b6207e164d97b640a29000d72b55eb731c86a2dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE274 | 18400 bytes |
font_01_sfnt_off000111e9.bine1d692b8dc27152bdf8bea4f996f301bc9c64fa9ef488429d0d05a4ebfb11ac8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111E9 | 10372 bytes |
font_02_sfnt_off0001290b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1290B | 16792 bytes |
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