MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains JavaScript which is a strong indicator of malicious intent, likely to download and execute a secondary payload. The presence of numerous links to compromised WordPress sites and disposable hosting further supports a phishing or malware distribution scheme. The ClamAV detection and ML classifier confidence also indicate a high likelihood of maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
Heuristics 7
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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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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/mg6nrl4jkb8ng1gf0c6hb41ks6/21703397689.pdf
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/838185038c663251bdb15890220880c8/55497356443.pdf
- https://baoyi-chuck.com/ckfinder/userfiles/files/jutenuvosumowame.pdf
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/d94ce89fa0fc747c8da8c06b02b08c7c/65368793082.pdf
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608d19a1d1509---89307414707.pdf
- https://alsultantrading.ae/userfiles/files/kibupixusonu.pdf
- http://absolutelyneon.com/userfiles/file/kuxoponatosipelowumij.pdf
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/ea3669f430b07b32b58c62786bab1431/natof.pdf
- http://dungcumaymoc.com/Images_upload/files/13161011849.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16081f73f79d23---legasepejiwowutaxavu.pdf
- http://fundacjaproartis.pl/javascript/ckfinder/userfiles/files/29602656404.pdf
- https://manualismedicina.hu/fileok/file/66754297993.pdf
- http://photou.cc//ckfinder/userfiles/files/36525239367.pdf
- https://epiphanych.com/images/file/wevipe.pdf
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbed52f123---27296409045.pdf
- http://thedewakohchang.com/image/upload/File/osexo.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085750054002---74791934166.pdf
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/6f674aba996afb89a37691ddbafe0ca3/gebovimeza.pdf
- http://spoanalyze.com/wp-content/plugins/super-forms/uploads/php/files/8bb612b45238f1a339964aa4ec8b1642/resulimufisiseramar.pdf
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9fa2e816e0---dujoremaret.pdf
- http://venusland.vn/app/webroot/img/files/zovafatunebepofosad.pdf
- http://adria-ex.com/images/blog//file/72149486647.pdf
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160829b06de0fd---gagixotexavibapakusa.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=the+old+man+and+the+sea+pdf+in+english
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000117cb.bin130b1b1b9305806bded3ed2f69615c00c2d684bc9ac09e6e4aa9dc97f26b1808 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117CB | 10808 bytes |
font_01_sfnt_off0001304a.bincf53efbbfb2605f3d719c94a80b3519a3a3694c7e0bd182f5841debdc243a9f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1304A | 18376 bytes |
font_02_sfnt_off00015fe8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15FE8 | 16792 bytes |
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