MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.007 JavaScript
The PDF file contains heuristics indicating it's a credential phishing lure impersonating a cloud document service like Outlook. It includes multiple external links, one of which points to a redirector URL that ultimately leads to a PDF file. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to trick users into providing credentials or downloading further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://xevekarisugi.weebly.com/uploads/1/3/4/6/134697334/gagijavanuzipupiruj.pdf.
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Cloud document impersonation lure medium SE_CLOUD_DOC_LUREDocument impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
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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://maypoin.ru/123?utm_term=email+template+for+offering+services PDF link annotation
- https://cdn-cms.f-static.net/uploads/4376362/normal_60668a252fd9c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446270/normal_600a225816628.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454421/normal_601484b8c2101.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413843/normal_5fecccf6619a4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490269/normal_5ffe7f444168a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4491151/normal_5ff9b974a5751.pdfIn PDF document text
- https://xevekarisugi.weebly.com/uploads/1/3/4/6/134697334/gagijavanuzipupiruj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487381/normal_6061d28550269.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369909/normal_603678fd2562a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4422148/normal_5fcd4077460bb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369768/normal_5feb9e0b44bc7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4406793/normal_6000003f8d549.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445564/normal_5fed925f5c573.pdfIn PDF document text
- https://koxamuru.weebly.com/uploads/1/3/4/8/134890845/7110768.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/3b3f4b50-7ca1-4e88-a2ad-240de40f3933/78374929557.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/520aaee9-ae69-4634-920b-9d24d8fee62b/10514831844.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ecd4811e-b8f5-46df-8414-da89715cfb4e/57695832955.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c4c5a9d1-cd40-4c6e-9cc5-9419510ab9ef/zefofegusi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/102a0131-ec66-4afe-93e4-6f0d5197b5e1/how_to_play_hedwigs_theme_on_piano_notes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6153c59d-0066-4b2a-a10f-e4dc096bdf79/pearson_algebra_1_textbook_table_of_contents.pdfIn 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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE2C | 5352 bytes |
SHA-256: f7bf30a95b0823f9de7a6c6647e7b08e6f0e35dc0e0867967db9e8905bc2d256 |
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font_01_sfnt_off00010059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10059 | 11320 bytes |
SHA-256: 47f26502afadee9480a99aab7ef3a5cdc3ad3ead08f9d85f88e2bb0d97963e7c |
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