MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicative of a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery. The presence of multiple external URIs and a link farm strategy points towards an attempt to lure users to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://energo-market.ru/sadm_files/kajoretujike.pdf In PDF document text
- http://mobilahomedesign.com/userfiles/files/kopegoruxati.pdfIn PDF document text
- https://macjiboter.macjahisa.si/files/file/bujuxomurutelejif.pdfIn PDF document text
- https://optimuselearningschool.aels.edu/learning/site/images/uploadfiles/20968167180.pdfIn PDF document text
- https://ww150006.linebot.net/upfile/files/20210911123837.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/963kjcvn3a0vvf2b2kteu4ma1l/4021690695.pdfIn PDF document text
- https://ldoris.com/upfile/files/20210919111901.pdfIn PDF document text
- http://asbufestival.com/uploads/FCK_files/file/615759661.pdfIn PDF document text
- http://www.shjkyq.com/up_files/FCK/file/19963587927.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1615004ed0e85b---37128146461.pdfIn PDF document text
- http://technoprofile.ru/userfiles/file/nobusaridoxifowad.pdfIn PDF document text
- http://brno-skoleniridicu.cz/ckfinder/userfiles/files/kolafir.pdfIn PDF document text
- http://tnshoppingbag.com/upfiles/file/vodosamefuwifawitimawef.pdfIn PDF document text
- https://nikosdimos.gr/userfiles/file/39940009075.pdfIn PDF document text
- http://cottoneauto.it/userfiles/files/70523005523.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/0193e73e7252f1bf9c01944f20d516e8/78029831089.pdfIn PDF document text
- https://aradovan.com/userfiles/file/deginanoranijuliji.pdfIn PDF document text
- https://licorne-hotel-restaurant.com/userfiles/file/bavilepazuwuxes.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614f1085956a9---sagotewosoz.pdfIn PDF document text
- https://autoprofi.ua/userfiles/file/97613137790.pdfIn PDF document text
- http://dolphinkorea.com/files/files/64076022191.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog/file/lopoduwetugawulotolaro.pdfIn PDF document text
- http://domexpo.ru/up/file/wugevemipereme.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=lego+ninjago+shadow+of+ronin+apkPDF 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_off0000aed2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAED2 | 10900 bytes |
SHA-256: 077de71528f6a4f4c90f9edfa9f05a73ca7b3d8e733a2fe0e3dff2337a2d7b17 |
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font_01_sfnt_off0000c7c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7C7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000dfd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFD9 | 16440 bytes |
SHA-256: 4466ad9c2ba324994361b289b4793b3b4ad3ecdbb88d8eafc15f0d6af7d7c9e4 |
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