MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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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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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://vilenefex.ru/strik?utm_term=united+states+history+chapter+8+quizlet PDF link annotation
- https://static.s123-cdn-static.com/uploads/4471703/normal_5ff00739e3981.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4502236/normal_5fe7909f69576.pdfIn PDF document text
- http://kwini-fini.online/331109527389z2yb.pdfIn PDF document text
- https://zagemixawidi.weebly.com/uploads/1/3/1/3/131378918/e91820.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dirujuwut.epizy.com/bedinesuvuda.pdfIn PDF document text
- https://s3.amazonaws.com/dotivaf/2595792238.pdfIn PDF document text
- https://s3.amazonaws.com/nevowimo/basic_techniques_in_molecular_biology_stefan_surzycki.pdfIn PDF document text
- https://s3.amazonaws.com/vexosafugunu/american_idol_video_game.pdfIn PDF document text
- https://s3.amazonaws.com/kotidox/what_is_the_concept_and_principles_of_symbolic_interactionism.pdfIn PDF document text
- https://s3.amazonaws.com/bifamomove/flute_meme_sheet_music.pdfIn PDF document text
- https://s3.amazonaws.com/fofeguj/10179552555.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_off0000d4df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4DF | 5624 bytes |
SHA-256: 0c6bbd07d021d11b6bbeda97bbaca4151cc86ee33b7468565c636174be43a168 |
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font_01_sfnt_off0000e805.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE805 | 10172 bytes |
SHA-256: 02da69850d123dfd68659174c99af326f575318a7b480bbdb8cd725491d2e328 |
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