MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, many of which point to compromised WordPress upload storage or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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 https://lawrenceyezersky.com/userfiles/file/27707195789.pdf In PDF document text
- http://corporatiegids.nl/uploads/files/xodepi.pdfIn PDF document text
- http://p-itos.net/admin/userfile/image/file/netodapewuxosupibuwel.pdfIn PDF document text
- https://ural-aiti.ru/admin/ckfinder/userfiles/files/jigazofodelo.pdfIn PDF document text
- http://olech-rzeszow.pl/userfiles/file/luremufobapepavilodopejal.pdfIn PDF document text
- https://towa-aaa.jp/userfiles/file/50105322.pdfIn PDF document text
- https://ladida.asia/sporlegen/administrator/imagetempfile/zowekozexetamop.pdfIn PDF document text
- http://tractortools.cz/ckfinder/userfiles/files/71294220831.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/7d16237bc9233ee6864917d6ae4be893/sipibuvubu.pdfIn PDF document text
- http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/13498899369.pdfIn PDF document text
- http://www.gulbaharsigorta.com/contentData/file/53341388279.pdfIn PDF document text
- http://saharun.org/uploads/ckfinder/userfiles/files/7592786253.pdfIn PDF document text
- http://annamsaigonlaw.com/upload/files/rebakuneromudodilegame.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/161448017096b6---xugigasagekidotan.pdfIn PDF document text
- http://www.dilipprabhavalkar.com/images/file/raravomi.pdfIn PDF document text
- https://fond.ru/userfiles/file/95753945996.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/07d8a1345ee7fffcdd1b2833ecb94838/35804086701.pdfIn PDF document text
- http://longbeach.ilovepokebar.com/uploads/files/kavid.pdfIn PDF document text
- https://soyana.de/js/ckfinder/userfiles/files/74746178641.pdfIn PDF document text
- https://elemental-ia.com/userfiles/file/jinubuturiwunin.pdfIn PDF document text
- https://magnettoptan.com/upload/ckfinder/files/28408326630.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=system+software+egPDF 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_off0000c71e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC71E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000df35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF35 | 10592 bytes |
SHA-256: c250001e3e9350cd0e06d4f30b27fde06d3edaf68ee2e6fbec0dc14be0816b4b |
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font_02_sfnt_off0000f788.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF788 | 16788 bytes |
SHA-256: f39dfd08ccb48e9a4f632e672cd1f0cf7ef30c8dd99656f8836551eb13e0eb8e |
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