MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress uploads and disposable hosting, indicating a link farm designed to lure victims. ClamAV and an ML classifier flagged this file as malicious, specifically as a phishing trojan. The embedded URLs and the heuristic firings strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/ce3fd0e06a7b6a5e93d36990676af10f/56409007029.pdf In PDF document text
- https://mindspacepsytherapy.com/upload/ckfinder_temp/files/20210629163732.pdfIn PDF document text
- http://rideabikenews.com/user_img/files/38945168547.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/a17f7v7ur90mo9n39coel48mke/bobuba.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160838db8f3cbc---24266989998.pdfIn PDF document text
- http://cw-cut.com/uploads/file/5709117197.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16072a37c84a3d---284586414.pdfIn PDF document text
- http://casier-a-bouteilles.com/file/pizanijebitojip.pdfIn PDF document text
- http://rogo-rotterdam.nl/files/jisokekusabivufap.pdfIn PDF document text
- http://mylodge-naoshima.com/images/blog/file/sakaxed.pdfIn PDF document text
- http://abwbaltimore.com/uploads/files/46981269146.pdfIn PDF document text
- http://petra-dario.info/upload/datoteke/29647298060.pdfIn PDF document text
- https://ruxthai.com/ckfinder/userfiles/files/jekevegebifir.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16079435185979---66888893205.pdfIn PDF document text
- https://jagominum.com/contents/files/62073279113.pdfIn PDF document text
- http://aktifbant.com/resimler/files/91938625196.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/q2l8vk9h4efcf09do98f802kgd/wokapad.pdfIn PDF document text
- http://www.deopendeur.org/imgUser/file/7306183362.pdfIn PDF document text
- http://blsfamilyreunion.com/clients/1/11/11e20eb1c47c3498ff3e66fc1941d138/File/xekotunobirilusij.pdfIn PDF document text
- https://pr-dienst.ch/file/zegamuf.pdfIn PDF document text
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160871e0e17f48---6708561854.pdfIn PDF document text
- http://statewideroofservices.com/clients/b/b8/b825a24af54c157c196cf52173d75bf0/File/31425774953.pdfIn PDF document text
- http://harlit.com/upfiles/file/82853259782In PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=flaresim+tutorial+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_off0000fef9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEF9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001170b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1170B | 18400 bytes |
SHA-256: 911c48e0ad408ef107ddcf928701fb023bd526666f7015f15981d8bf324b91ed |
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font_02_sfnt_off00014695.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14695 | 10632 bytes |
SHA-256: 57bc5b28451ea330f0b1f93f2eb92c52871b6afb3e60e4fad11c51c4c19e3f63 |
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