MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a link farm pointing to multiple compromised domains, suggesting an attempt to redirect users to malicious or phishing content. The presence of embedded JavaScript indicates a potential for further malicious actions beyond simple redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://argyleliquidations.com/userfiles/files/rinoful.pdf In PDF document text
- http://wernersuarez.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zadeposetofodim.pdfIn PDF document text
- http://offerparts.com/upload/files/57543560439.pdfIn PDF document text
- https://tspinstruments.com/cache/fck_files/file/35554252906.pdfIn PDF document text
- https://alcoolassistance-creuse.net/www/site/js/ckfinder/userfiles/files/87253492812.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16136d346a1903---62696235973.pdfIn PDF document text
- https://media-get.com/userfiles/files/48766574170.pdfIn PDF document text
- http://titusauto.hu/kepek/file/nidoz.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d9a9a6a3c4---weniwize.pdfIn PDF document text
- https://jeanmarcrobion.fr/userfiles/file/bizatejom.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-9-13/20210913203435792764.pdfIn PDF document text
- https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/jubamiwosidinabefeloga.pdfIn PDF document text
- http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sekisumotenabapakuluw.pdfIn PDF document text
- http://meteosputnik.ru/userfiles/file/1455378454.pdfIn PDF document text
- http://radissonhoteltraining.com/userfiles/file/nekuvejutoraki.pdfIn PDF document text
- http://poliinc.com/upload/files/xowepoximogogon.pdfIn PDF document text
- http://grimastone.ru/files/94692384446.pdfIn PDF document text
- http://factorycontrolprojects.com/userfiles/file/muzusipabepetalifuven.pdfIn PDF document text
- https://e-room.co/userfiles/file/desixavepuluri.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/d184008f581f33306f8e23c2a745e01c/22265413565.pdfIn PDF document text
- http://intelekt.biz/uploads/pages/files/rimajapujoji.pdfIn PDF document text
- https://delcinfo.ru/img/files/files/taxabanevavuzimebu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=minecraft+apk+dotcomPDF 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_off0000b32d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB32D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB44 | 10652 bytes |
SHA-256: 312df913297b0b01ba86c6fbdebaed46885a77cfbef6ece1d14b0fc208dc1596 |
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font_02_sfnt_off0000e3a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A1 | 16168 bytes |
SHA-256: ff476b837102ad3bfe195d24c1a149705c69e7ba61f2a4ac8f9ec3ea09fd0d00 |
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