MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by a machine learning classifier and ClamAV. It contains a link farm pointing to multiple disposable hosting domains, suggesting an attempt to redirect users to malicious content. The document body, though heavily obfuscated, appears to be a lure related to finding the volume of a trapezoid, which is a common tactic for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 http://riskhedgetech.com/uploaded/file/186849209860ab346400df8.pdf In PDF document text
- http://solamsys.com/userData/board/file/xudisarofewawigezab.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aeb0cca3091---35142395674.pdfIn PDF document text
- https://viettrungson.com/media//Files/83485180803.pdfIn PDF document text
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/18c68a0f608a2022cec8151f4601714d/49742190435.pdfIn PDF document text
- http://anhopphat.com/uploads/files/53845221581.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16072b8605d529---bavikukemit.pdfIn PDF document text
- https://ngoctraithaibinhduong.com/uploads/news_file/rafodafuvazagoged.pdfIn PDF document text
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/f4228f7076b6e2c3118d1d5f6cbc83ae/vovevefenabebonopil.pdfIn PDF document text
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/5325fe220cc383bc6ce1fa06941eaa00/rudiselulorexusifososip.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/79o8s4g1jdifsmhm8b17ka6epp/37957293680.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609c391709176---fefogalexo.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/r1hmbjid84qnge6vp6ardi98o3/tujabugabosezalopinumep.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/cf03db12cc3f83f1de7a90c2118cf205/63050741515.pdfIn PDF document text
- http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/q8e0806mkq73072l9ffii4pkot/kiwodigevige.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=how+to+find+the+volume+of+a+trapezoidPDF 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://scripts.sil.org/OFLIn 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_off0000bbf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBF9 | 5264 bytes |
SHA-256: cf254b2cf6915fbed67dfe4d4d25a11e7eb47176da23d81b412f815ad3f503ca |
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font_01_sfnt_off0000cdd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDD1 | 11668 bytes |
SHA-256: 6b77e6ca1379fdbe455bb27b31bf45469efeae8c0f9f86aa5e5d800d904f6456 |
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font_02_sfnt_off0000f606.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF606 | 16112 bytes |
SHA-256: 1c8dc9f536ed742514de24f2fca3984a6271a3bf73f12a189e79928522958ace |
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