MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed for phishing or malware distribution. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://floridainvestment.cz/files/file/tawulegusopezovuf.pdf
- http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/17635331160.pdf
- http://sciattella.net/images/file/97485898605.pdf
- http://mail-ex.net/userfiles/file/gexetipeledozexojoguwewi.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a3633e6790c---nawowogitimine.pdf
- https://anctools.com/ckfinder/userfiles/files/80258551170.pdf
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/900cfeda77801831f12f5ecf032c1b4b/39689968347.pdf
- http://caratow.eu/userfiles/file/78520033633.pdf
- http://agama-rc.com/upload/files/93536301287.pdf
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a18d41c121f---zuwuzonov.pdf
- http://from.ua/upload/articles/2021/06/19/files/moxogiz.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/16076216578853---49771228553.pdf
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd04864fa3---20601919634.pdf
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/a879c506dcc19daa1c0f007521bfba5b/23183952145.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160740d909e76a---lizokij.pdf
- https://majorsagilekvaros.hu/uploads/file/wimajibijemafetumipejit.pdf
- http://papaicountrylodge-longstay.com/user_img/files/jevadam.pdf
- http://muskogeeroughers1967.com/clients/9/98/9899c641331876fb313f08ec475a0443/File/55081099381.pdf
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/6b6bed495bc0db63a2d13a5499990bd6/pilevewapalipeleg.pdf
- https://universal4shipping.net/userfiles/file/70896293517.pdf
- http://macautemple.com/userfiles/file/fanaxovexerutoxopize.pdf
- http://autoservizimensi.it/images/fck/file/26318732408.pdf
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6bb4191fd9---popagijoleluleneperije.pdf
- http://hiroi-es.info/yamituki-n/uploads/files/47807730085.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=morey%27s+marinated+salmon+cooking+instructions
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000105bc.bina89dec5d8643b360d394ec50151dfa2c234c32666bdaa108eb9c9d1934bb0a84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105BC | 16948 bytes |
font_01_sfnt_off00011dd4.bin980a41d84a0cdf38eb8d472e606d916b172cd4dd29f016f30b2857d6d3f4ac7a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DD4 | 11048 bytes |
font_02_sfnt_off00013770.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13770 | 16792 bytes |
font_03_sfnt_off00014f82.bin259836f08058831972241725304a928ce9cb01891fb2b79bed1965a89686226b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F82 | 18820 bytes |
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