MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://maydemtienvn.com/upload/files/zoxoposokewiv.pdf In PDF document text
- https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/bibixedewupadejofabido.pdfIn PDF document text
- http://fields-on-earth.com/images/blog/file/60892133170.pdfIn PDF document text
- https://dalycity.com/wysiwygfiles/file/61402217225.pdfIn PDF document text
- http://theurbanbazzaar.com/userfiles/file/93893842477.pdfIn PDF document text
- https://it-remarketing.pl/app/webroot/media/files/20545383027.pdfIn PDF document text
- http://projecthouse.bg/uploads/CKfinder/files/8934299779.pdfIn PDF document text
- http://travel-door.com/userfiles/file/36924287966.pdfIn PDF document text
- https://michelbarbot.com/upload/files/jiramubumoziluru.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134bd9f2c671---redesamelomoriz.pdfIn PDF document text
- http://vnos.vn/app/webroot/uploads/files/485534090.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/6f98dc48fa517fb747d9a371eee96af8/puforib.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ebcb60225---pozakazejusutufodaseja.pdfIn PDF document text
- https://dom-titan.rs/files/gibafajifixubi.pdfIn PDF document text
- http://fibertechnique.com/tmp/file/diwomigewakenine.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/4a0258c90ee689a5cd20b434f7abc83a/43517770980.pdfIn PDF document text
- https://sukienmiennam.com/userupload/files/lepajefizazumikawuto.pdfIn PDF document text
- http://www.mab-solutions.fr/upload/file/74583958608.pdfIn PDF document text
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/15797e95aa12be7434a15197a8fc2ef8/gejuzexilileluvag.pdfIn PDF document text
- http://longarmacademy.net/fckeditor/userfiles/file/sorutusova.pdfIn PDF document text
- http://kahounova.cz/userfiles/file/wibekesologafufonagizifom.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613f926688d90---munimejudalezof.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7e20a3ee4---92640295128.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=the+catcher+in+the+rye+read+onlinePDF 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_off0000b4b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4B4 | 14980 bytes |
SHA-256: 7136022d4e810b60c87529615481627fe43be710cc98cfb648fc1f4a37afbaa3 |
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font_01_sfnt_off0000da75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA75 | 10376 bytes |
SHA-256: 86fbe6a0a004f988b40ea338569de03f7fa39a33d5666326006ecd2a0783e5e2 |
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font_02_sfnt_off0000f1e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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