MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to compromised WordPress upload storage and other disposable hosting sites. The embedded URLs suggest a phishing or malware distribution scheme, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/217c9fa6e77d7b9e6595b4ed73052c00/56259068683.pdf
- https://www.haievent.com/wp-content/plugins/super-forms/uploads/php/files/5itipac8f8gfj3rsqd3g49li5d/99298082567.pdf
- https://mmagame.com/userfiles/file/lapovezukifojomemik.pdf
- https://eseninternational.com/uploads/files/gosazelefaz.pdf
- http://willismctyeire.com/clients/c/cd/cd1fd5262213d36872a77bd42df049b7/File/potixomimubax.pdf
- http://webinaris.eu/ckfinder/userfiles/publics/files/jixebalumopip.pdf
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160c7841a54d8d---dojonapokiloganasesito.pdf
- http://urbancollab.com/userfiles/Proj_Name//files/wuvituvigazijirimomaj.pdf
- http://centreforeffectivecoaching.com/media/file/jiperolebajubofupuxometa.pdf
- http://cestovni-postylka.eu/userfiles/file/62413372527.pdf
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/c383c822b9d79115e52ed8520945e666/55224950916.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f31055dfd5---bexagufufiwejekiwa.pdf
- http://bungefamily.com/clients/5233/File/sukukivik.pdf
- http://gowowdeli.com/uploads/files/82519537471.pdf
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/6dfa3bfc4cf04a277e489d205dff9fc1/69705164842.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/c6v1tq00vnlon5tmd12235o31s/34792579009.pdf
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/bf23b5f8bb528eab7a41c91300578c31/80124075650.pdf
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/16be011b7147532064ca1f5f2bab53f1/77668112846.pdf
- http://tochuchoinghi.org/files/jurerebosewokudizoku.pdf
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607435c937458---59823364313.pdf
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/d2o3j8qarao3i823englo4qkc6/tumigobugegavirudupud.pdf
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/fed14131ccf4bb542911653f87991758/wakafad.pdf
- http://ipceurope.eu/assets/file/82448881977.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed15d74047a---65539295931.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c5c20342847---pimelefajokoluner.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=leukocytosis+treatment+uptodate
- 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_off0000ff08.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF08 | 16792 bytes |
font_01_sfnt_off0001171f.bin813cfb7f27a7b60ea8a2fe27c260f7382f9d2748eda740398c463ecf71333b86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1171F | 10892 bytes |
font_02_sfnt_off00013065.bin48210a8ffadb833f3ed678abbc4a03a75e65f4ed6bb246da09d8fa06413e4e21 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13065 | 18604 bytes |
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