MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF is classified as malicious by ML models and ClamAV, exhibiting characteristics of a phishing and trojan delivery mechanism. The 'SE_CLICKFIX' heuristic indicates social engineering to trick users into executing commands, likely to download and run a secondary payload from one of the numerous embedded URLs. The document body is heavily obfuscated and contains no readable text to infer a specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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://ketchas.ru/uplcv?utm_term=scan+to+text+windows+10 PDF link annotation
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/b5c63ad9bd5f4204373d0957e93431b4/73055373004.pdfIn PDF document text
- http://ubest.ru/images/file/pinewilisokujutepa.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16099f01291b97---25752679900.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021042918074673499.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/kqgc7ni3a62nu58tle6cm9sbsd/41198651644.pdfIn PDF document text
- http://aliglobshop.com/userfiles/file/74694951681.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160962fc19d1e9---gibomonuxobokavasozuvu.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088e25942380---81785069349.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/cq5va78b2c7v9gqjq7kvjh75oa/zekuxutegatab.pdfIn PDF document text
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/24b990d0d3e78cbe4be01e965964e3db/pajizipemazatibamok.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093cb051f90f---nuzetadadifa.pdfIn PDF document text
- https://aljazeerahpetroleum.ae/userfiles/files/33597105544.pdfIn PDF document text
- https://stopserv.ru/files/file/lufiwaxul.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0de1d6fde---gazotezaresorij.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7D6 | 5264 bytes |
SHA-256: 4df81fffc6a3b5ca6e64154b803b28291733a9ed35ae445f93fb35b005e64c6b |
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font_01_sfnt_off0000f9ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9EE | 10740 bytes |
SHA-256: 373dec22851c5d463b088c0e208cacee676408568a29815d08c3caa8bf25cce4 |
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