MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it's a phishing lure requesting recovery secrets. The document contains external URIs and links to compromised CMS uploads, suggesting it's designed to trick users into downloading further malicious content. The presence of multiple compromised upload links and a direct link to a PDF on a compromised WordPress site reinforces the phishing and download lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://irlanc.ru/uplcv?utm_term=spark+in+action+2nd+edition+pdf+free+download PDF link annotation
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8c1668355c---92507404462.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bce382e92c6---nojopuxewe.pdfIn PDF document text
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/cd0d41a630ff6d25d211e8d0990b399a/narutufudes.pdfIn PDF document text
- http://monkey-do.net/userfiles/file/zibadusidofukujezidegebis.pdfIn PDF document text
- https://olivier-daulte.com/ckfinder/userfiles/files/puguzelededogujedap.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee61e3d1d6---jumomavapipetixufajabinaj.pdfIn PDF document text
- http://fitviewer.biz/files/file/wijizenafivujifetone.pdfIn PDF document text
- http://uniroll.pl/user_images/file/30885120882.pdfIn PDF document text
- http://ahkjt.com/upfile/file/23553976525.pdfIn PDF document text
- https://isleo.com/i_photos/file/46398033672.pdfIn PDF document text
- https://rsun.pro/admin/ckfinder/userfiles/files/60700586647.pdfIn PDF document text
- http://asianaccounting.com/admin/fckeditor/userfiles/file/tavavusipufutakalatoro.pdfIn PDF document text
- http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/64147500936.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/djkmc46g38o7g5hljoujtbftfk/62795747915.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097cf8c70ef6---83588641361.pdfIn PDF document text
- http://spoanalyze.com/wp-content/plugins/super-forms/uploads/php/files/7b0563d032b0f2a8160853992fd31849/litarivova.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00030774.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x30774 | 1696 bytes |
SHA-256: 9c49f12e3410d4797e050638c3dc3bc5b54da7d6011bda4814ccc5cd6f6c91b4 |
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font_01_sfnt_off00030fe0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x30FE0 | 5364 bytes |
SHA-256: 433ca09df6b079d2cfc0d51640f566945dec4e0919e26740c69f75f8d17a53dc |
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font_02_sfnt_off00032246.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x32246 | 14844 bytes |
SHA-256: 19fa4a91a9d42f4ffaa5a4666fd6b83bbae301d412a21e3b7b074ab9e8d54fe3 |
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font_03_sfnt_off00035358.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x35358 | 16120 bytes |
SHA-256: b8fa99db91b4e2a38fb01ca4f8dfd1970d271bfdaf7323161a8b02e369b8fc98 |
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