MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised CMS uploads and disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of external URIs and a link farm pattern points towards an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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://newtech-utm.pl/userfiles/file/marozuwilij.pdf In PDF document text
- http://fzcce.com/aimgs/uload/files/rufutitigugud.pdfIn PDF document text
- http://theeultimatenetworker.com/ckfinder/userfiles/files/muxoruk.pdfIn PDF document text
- http://verkaufs-akademie.com/userfiles/file/figogivepunu.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613613000aec5---marumunuligavukalebo.pdfIn PDF document text
- https://myagenda.myagenda.cz/pictures/editor/files/gagegofizobojevezotuvi.pdfIn PDF document text
- https://viettrungson.com/media/Files/5346026199.pdfIn PDF document text
- http://halaljones.com/uploads/files/73396383755.pdfIn PDF document text
- http://thevalleytrader.com/files/morogefosusuvovikizev.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/94vhfga5iq8lad5bfq9d2fsiq5/daxupokofotobakat.pdfIn PDF document text
- https://pokereshop.cz/data/file/5136095905.pdfIn PDF document text
- https://support-trevianum.nl/userfiles/files/fanisolelekerala.pdfIn PDF document text
- http://cnc-soustruzeni.cz/files/file/joligax.pdfIn PDF document text
- http://thewellmanteam.com/userfiles/files/taranaliwakasukofi.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/wuxutusunugovitaro.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161364b680bb62---fabemoverase.pdfIn PDF document text
- https://kisikana.hr/UserFiles/files/68116393391.pdfIn PDF document text
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210902085015.pdfIn PDF document text
- http://hwayinn.com/image/files/20210906_133325.pdfIn PDF document text
- http://gamax-moto.cz/data/dokumenty/98785117241.pdfIn PDF document text
- https://villamishkan.com/310renonew/front/images/files/65406205352.pdfIn PDF document text
- https://biodent.ro/m4fm_files/m4news/ck-uploads-files/82800892639.pdfIn PDF document text
- http://ntweac.edu.hk/admin/ckfinder/userfiles/files/70867044104.pdfIn PDF document text
- https://autonoleggioassereto.com/file/120806247.pdfIn PDF document text
- http://easyreturn.store/userfiles/file/89803719150.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1612f15b35eff2---2970640006.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bea9a28de999de1fc5e20856799b6018/puwetuf.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=pok%C3%A9mon+duel+downloadPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b6f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cf0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF0E | 10384 bytes |
SHA-256: 7f1350e045a8edf37a42a0169a3ab7b11b94f43dd06d94bd9fddc40f5ecdbcfb |
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font_02_sfnt_off0000e645.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE645 | 15400 bytes |
SHA-256: 1aa9470e7df539d400041c8c7612e0ad9f1781e8d8fb97046e240f6e364bcdd9 |
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