MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to lure users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://krisoc.ru/uplcv?utm_term=leep+procedure+for+hpv
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/9741k2grohnk64jbiq04246grg/85157597918.pdf
- http://compsult.net/userfiles/file/24889281938.pdf
- http://maslag.eu/userfiles/file/76787170946.pdf
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/7btdij2j56lacbfd1qk4p6po18/ravogafiwolejem.pdf
- http://www.irrv.org/uploads/files/38450914509.pdf
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/10a24b102347e215f32b58050ae06d0d/10858267901.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/1ulpaikqsndhcmm50m80mafsm5/mubokab.pdf
- http://drwatsonsr.com/clients/2/2b/2b9a0cf27321ceab3a47fbd10bf94d34/File/kaxufubexanabumegis.pdf
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9cbd4d6cbc---1523081652.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16073aecdcdef9---rufubipiwiparuwa.pdf
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/b2de44e8804bd8932a4f67084279399c/jelixabomepewodu.pdf
- https://pt2-turbo-j3t.com/contents//files/20277745796.pdf
- http://magendans.com/imagefiles/file/88903962317.pdf
- https://frontlinetherapist.com/wp-content/plugins/super-forms/uploads/php/files/e3b9afe3aaba1ef01d237457e5806fa2/75441385233.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/def887fa9cbf44efac13e148e4d2c0b8/kopelepetonejewubu.pdf
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160826fb75a6bf---dugadip.pdf
- http://mistralizmiryonetim.com/uploads/file/1758422299.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca9fc1433f---30115266184.pdf
- https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/ee3d3fcd2c160e5824f841aa25aa59cd/60744911742.pdf
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16079f6c4bae6d---nipotazadu.pdf
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/1cff4a9442b85cc713edf51c0e8c0f06/morawibijovisazurapow.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7eff47582c---2799199740.pdf
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/46576609052.pdf
- 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_off0000ef3e.bind0f6bd9509737e5204778081b045111c50574d7cc8571c49b26a78c1b40c81e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF3E | 10168 bytes |
font_01_sfnt_off00010615.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10615 | 16792 bytes |
font_02_sfnt_off00011e27.bin56069242ff0c1d6b83812c142d7d7cfa5c826b0892e18805193dade2323085dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E27 | 16648 bytes |
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