MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to compromised WordPress upload storage. The embedded URLs, such as http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bacc3d8373---91436776377.pdf, are likely intended to host or redirect to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bacc3d8373---91436776377.pdf In PDF document text
- https://delaneyllc.com/ckfinder/userfiles/files/bawomuzifematobupojagos.pdfIn PDF document text
- http://speednewslive24.com/assets/ckfinder/core/connector/php/uploads/files/37559827439.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1610f39481adce---zegugixan.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/eb0d1727aecc0bfe5c15ae17fcff41c4/wesuwegunilu.pdfIn PDF document text
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/ca2c6e961ec661c381f939c124393d16/52223607652.pdfIn PDF document text
- http://smclassof57.org/clients/34860/File/96774594974.pdfIn PDF document text
- http://lorichphoto.com/pictures/file/37877099954.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad146d3159---39957723554.pdfIn PDF document text
- https://binarbaidfabrication.com/public_html/userfiles/file/64057272820.pdfIn PDF document text
- http://xibuhuanyu.com/filespath/files/20210825060331.pdfIn PDF document text
- http://simonhoirup.dk/userfiles/file/54122492431.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a60a08c1e9c---xudupo.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a3c28317a70---tolavezasuwejotapelaraki.pdfIn PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/b72cc948de1229937a7bf27bba932a2b/17700142134.pdfIn PDF document text
- http://janaturismointegrato.com/uploads/file/ximezorugumeboxoruju.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ace5e1ecf48---wojenubanudexajirimumaj.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/e2a5d2fauuan17rve27ioql4g0/61628866001.pdfIn PDF document text
- http://myjobcareer.net/userfiles/file/2021052108175473499.pdfIn PDF document text
- https://hfdjet.com/wp-content/plugins/super-forms/uploads/php/files/a434723a117d13f1cac4eeccba5be1d7/44239675270.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b9aab493a90b634f5e06a1fb44b2f5f0/penevarewugitel.pdfIn PDF document text
- http://cucthongke.vn/userfiles/file///30112319707.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/48314872750.pdfIn PDF document text
- http://portakalweb.net/home/portakal/public_html/ckfinder/userfiles/files/45424481943.pdfIn PDF document text
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/75d1e5598efdd6645b1c6c2161573659/42843737866.pdfIn PDF document text
- https://ildiko-szepsegszalon.hu/userfiles/file/26015753099.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=movie+bad+boy+for+lifePDF 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_off0000f6c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6C9 | 18208 bytes |
SHA-256: 8bfd7b162f7dcf2c065a3bf7c5ce01828ea7769add78fe74c7d493af86e1abbd |
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font_01_sfnt_off0001270f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1270F | 10292 bytes |
SHA-256: f9a5233041b383bae259ef543f2d3f0caa416eb7aaebb6c87b4baeac3064255c |
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font_02_sfnt_off00013e5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E5A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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