MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains embedded JavaScript, which is often used to execute malicious code or redirect users. The presence of a link farm pointing to multiple distinct hosts, many of which appear to be compromised WordPress sites or disposable hosting, strongly suggests a phishing or malware distribution campaign. The embedded JavaScript likely facilitates the redirection or payload delivery, contributing to the overall malicious functionality.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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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://kiuanai.com/userfiles/file/busizafugixi.pdf In PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/b34b5091aedfbf58e5fb2d31826168f1/81422800954.pdfIn PDF document text
- http://www.hermosabeachbungalows.com/userfiles/files/jawowimitamubix.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1616858b6cbe1b---30285057770.pdfIn PDF document text
- http://conomiya.com/images/uploadedimages/file/55813412555.pdfIn PDF document text
- https://sesconbs.org.br/ckfinder/userfiles/files/93416615742.pdfIn PDF document text
- http://snkpost.com/fckedit_file/file///20210906_12_43_47.pdfIn PDF document text
- https://apc-algercentre.dz/ckfinder/userfiles/files/dunijobamogunolasibow.pdfIn PDF document text
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/xowil.pdfIn PDF document text
- http://songpinhao.com/userfiles/files/25066277065.pdfIn PDF document text
- http://gold-carsales.com/js/upload/files/93082447496.pdfIn PDF document text
- http://goldsunjsc.com/upload/files/7634585942.pdfIn PDF document text
- https://jagominum.com/contents/files/82443375806.pdfIn PDF document text
- http://bolt.fo/public_html/userfiles/files/1430577136.pdfIn PDF document text
- http://hometextiles-consultant.com/ckfinder/userfiles/files/tanevejovu.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16155e75630046---xolugejaramogekedojuzo.pdfIn PDF document text
- http://kusistoconstruction.com/userfiles/file/60554872119.pdfIn PDF document text
- http://naturalwonders.com/uploads/files/15982687858.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/86363751607.pdfIn PDF document text
- http://zhongguohuachun.com/d/files/badilatavebuxutevokipe.pdfIn PDF document text
- http://ultrabeauty-ff.ru/userfiles/file/nuwerexavanafol.pdfIn PDF document text
- http://khautrangkhangviet.com/upload/img/files/23715844311.pdfIn PDF document text
- http://lonerangerfanclub.com/ckfinder/userfiles/files/27232547185.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/BGAemAmcdTc/uplcv?utm_term=incremental+and+iterative+developmentPDF 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_off0000e38f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE38F | 10524 bytes |
SHA-256: f25b2c250a09440117e37d973fe5411d0a5bc75215451025feac8405bf715991 |
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font_01_sfnt_off0000fb75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB75 | 17480 bytes |
SHA-256: 46a7b352e85259743ba68266918c55c9df0e744d9e17306e715c4f5305fbbc47 |
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font_02_sfnt_off00012773.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12773 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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