MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected by ML classifiers and ClamAV as a malicious PDF, specifically flagged as a phishing trojan. It contains numerous external links, many pointing to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicate a strong intent to drive traffic to external, potentially harmful, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://inwebjor.ru/uplcv?utm_term=r6+pro+players+settings PDF link annotation
- http://medob.org/SITE/files/editor/file/58334874256.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/049siofs4p6j3gpdpefh0nmh65/galujaku.pdfIn PDF document text
- http://odontoflash.eu/userfiles/files/dojut.pdfIn PDF document text
- http://bosch-elektronarzedzia.pl/catalog/file/21245412830.pdfIn PDF document text
- http://ledlight-lamp.com/mingyi/images/userfiles/file/sumulixovolitokarakexu.pdfIn PDF document text
- https://dm288.rs/slicice/file/37364102607.pdfIn PDF document text
- http://taiwan-casters.com/userfiles/file/mamatanibinewile.pdfIn PDF document text
- https://tomorrowhubs.com/upload/users/files/pobijuza.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148fca6592b7.pdfIn PDF document text
- http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/72984125791.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/mf8i3o7uje3j0lmglvhc18ftbo/71190509975.pdfIn PDF document text
- http://cimkezes.hu/uploads/ckfinder/userfiles/files/91029083018.pdfIn PDF document text
- http://antropolog.ru/userfiles/file/vonalujuzoraboro.pdfIn PDF document text
- https://phukienbep.net/media/files/68056502223.pdfIn PDF document text
- http://kuresi-kaitori.com/upload/content_pic/files/rafovusa.pdfIn PDF document text
- http://eco-versute.com/app/webroot/ckfinder/userfiles/files/famerewoxafidibofedofagu.pdfIn PDF document text
- http://jaqalsports.com/files/file/betatanotidekumekexijaza.pdfIn PDF document text
- http://alhouti.com/userfiles/file/rozufetabunipodinene.pdfIn PDF document text
- https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/26368358294.pdfIn PDF document text
- http://ty-universe.com/image/files/20211007_012159.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130bab861422---soxagitopura.pdfIn PDF document text
- http://juha.be/_files/file/28546428409.pdfIn 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://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_off0001018f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1018F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000119a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119A6 | 10756 bytes |
SHA-256: b66837f9e15dab8d5ae4d9b1ff336be00330829ef6500601e1198e54803f7d23 |
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font_02_sfnt_off00013297.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13297 | 19692 bytes |
SHA-256: 54281d5df426ce706a26c600165e409aebcf9901b44c3de89e77e175c9727a60 |
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