MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting. The presence of multiple PDF link farm heuristics suggests a deliberate attempt to obscure the final destination and potentially distribute phishing content or malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://istanajp2.com/contents//files/91922113232.pdf
- http://tingyi-bnb.com/CKEdit/upload/files/vorewimonuju.pdf
- http://noithatlekhanh.com/Images_upload/files/50977032497.pdf
- http://ansatrans.ru/admin/ckfinder/userfiles/files/89490053738.pdf
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/f93a890aff1d000e37f47685f116c60e/mukopimo.pdf
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c85cd97a8ca---sixekemovuwasolutoziwas.pdf
- http://galluccifaibano.com/userfiles/file/sejawusajit.pdf
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/bd01phj3mccis72m5u529adar2/96454986531.pdf
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608922cf78547---mezoku.pdf
- http://webbuilders.com/files/file/safub.pdf
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/b107480d8c0b3ea91a7fb9d752f86aba/melubikegasak.pdf
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160adeb0b2af78---tofikixezumut.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/226144ca4a70f4994cfc6f85670144f6/80238088917.pdf
- https://communeouchamps.fr/userfiles/file/regedexodegavojezapi.pdf
- http://petersonspann.com/clients/3/32/32c4b2f41fa698b5b938e848169c8dcb/File/tawomasizitirevavibolu.pdf
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/q35g503virvr2n8ec8mdlofv3t/42360153005.pdf
- http://hillsdale66ersreunion.com/clients/c/c6/c679c52642bc64dd8629b98fb95ccc77/File/14857558736.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c7511450fdb---30881265122.pdf
- http://yilip.net/userData/board/file/tararikuzaf.pdf
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/7na4o46qh5040o0ke51812rdf3/92877202598.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=homescapes+infinite+lives
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e605.bin876ea313b0453ba2960de6caaf300aba0b9a385318e01be86f40fbf1ad9e26ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE605 | 20004 bytes |
font_01_sfnt_off000117e4.bin1c024217ce21bb66922f73502146d3c7616b47413e2e194c36dd680b30e64e78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117E4 | 16148 bytes |
font_02_sfnt_off00012d70.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D70 | 16792 bytes |
font_03_sfnt_off00014587.bin1af9f862f3714df096d015fb616486754a6f3181076964b58e36f90c6b1bf584 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14587 | 10600 bytes |
font_04_sfnt_off00015db6.bin3a385e4dd4bfbf4849f622134eeb41cd672e0e7ac1b4c2213eb6cb942943407e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15DB6 | 1764 bytes |
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