MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites and disposable domains, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
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 http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609874326dc3f---70184993839.pdf In PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/161086788aab7a---14178292773.pdfIn PDF document text
- http://meta-min.com/files/86341559444.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c822bc3140---lekokubijire.pdfIn PDF document text
- https://china-glass-mosaic.com/userfiles/files/20210624_091402.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/9ad29cb480d6d35ac498c0c704980ebd/31940253322.pdfIn PDF document text
- http://wsystem.sk/userfiles/files/63547167083.pdfIn PDF document text
- http://kapelski.pl/userfiles/file/60552343281.pdfIn PDF document text
- https://marosme.ro/hirek/file/donowiponupolajuzizi.pdfIn PDF document text
- http://studiotrusso.it/userfiles/files/66000402983.pdfIn PDF document text
- https://promise-land.com/upload/file/xovubunawugega.pdfIn PDF document text
- http://abbwingslynnhaven.com/uploads/files/86267858903.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/8aced0ce45d4b5f74021448ee0316dda/56860420479.pdfIn PDF document text
- https://godahoian.com/app/webroot/upload/files/pufebat.pdfIn PDF document text
- https://afayl.com/userfiles/file/xubawok.pdfIn PDF document text
- https://signika.pl/Upload/file/14208872214.pdfIn PDF document text
- http://umrllc.com/userfiles/files/nibubipareminobipeloga.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/eade6d65ab85da0d9c769aabfa37f543/32391240589.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/kbaedk2idbu60l4hpvmgschfli/82375826904.pdfIn PDF document text
- http://auto-spec.ca/fck/file/tukunazeselawu.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610ffffeccbe2---31326621959.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=osaka+amazing+pass+pdfPDF 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_off0000f5bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5BC | 21280 bytes |
SHA-256: c73ad1ada390a276fae75a28dce9f7bd6d2305d57540c82e930ac60a243c2f11 |
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font_01_sfnt_off00012d2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D2F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014546.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14546 | 10524 bytes |
SHA-256: 546a324f98365af1862372cbb71523c314bace9df4b53cec0e84fc5495179e56 |
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