MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, indicating an attempt to execute code within the PDF. It also features a link farm pointing to multiple compromised WordPress sites, suggesting a phishing or malware distribution scheme. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or delivering a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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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Embedded JS stream low PDF_JSPDF references a /JS stream. 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 http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100d655b396c---lukufomefiwepozirop.pdf In PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c90d5b5be7b---dadugosin.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/6908fe6450023efbe8d8ecb8f4f0017a/93076648049.pdfIn PDF document text
- http://rafaelokazakov.com/file/jokufu.pdfIn PDF document text
- http://nmways.com/uploads/fckupload/file/kabuto.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/3kb14o8aphg2gk8eh0lbo3snvk/nelenodi.pdfIn PDF document text
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/9b8032e3833fc76c2c64018417f13a36/dapawesivoxabativ.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/5857729531.pdfIn PDF document text
- https://santehsevast.ru/userfiles/files/fowedelolipizamakepi.pdfIn PDF document text
- http://jvcc.cn/ckfinder/userfiles/files/2106120211365851515s6d1.pdfIn PDF document text
- http://goldstecq.com/userfiles/file/2618449786.pdfIn PDF document text
- http://toyotaprius-custom.com/js/upload/files/sasexuwib.pdfIn PDF document text
- http://novo-foto.ru/ckfinder/userfiles/files/75040394926.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160983d0acfc08---lasarugovodorek.pdfIn PDF document text
- http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210718152944.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e47a6a039b---30966354052.pdfIn PDF document text
- http://www.tomasjelinek.com/img/pub/file/66676786388.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160a94f8ada6af---kixap.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb97e53af5b---mubimubajer.pdfIn PDF document text
- http://www.haztartasigepszakuzlet.hu/pics/file/78752206694.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c782159a451---megivozobudapililotazal.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1a0d4265e5---86329920136.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/161192b3f4b904---7098259335.pdfIn PDF document text
- https://addsfly.com/userfiles/file/32440739560.pdfIn PDF document text
- http://bfo-walkforhope.com/clients/e/eb/ebd0efab9cd97e953e90891d9eec7aad/File/54285506018.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16092554649427---42022294210.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=moneyball+movie+script+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_off0000eadb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEADB | 11096 bytes |
SHA-256: c92b7bf2a9d0a812829b8fcd8f6b273629ff009c0bca36e892d758091f6f80a4 |
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font_01_sfnt_off0001048c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1048C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C9E | 18576 bytes |
SHA-256: 56a9e039f50fc4aa6c2f9fe65a5b363ba92dea53cd2db0ca503b607ad83abcd4 |
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