MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that directs users to a suspicious domain, likely for a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains text related to "common core standards math pdf" and the authoring application, suggesting a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 4
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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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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://trafffe.ru/strik?utm_term=common+core+standards+math+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4446165/normal_5fbf40112b27a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382771/normal_5fd1e8b023f87.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411931/normal_5f9e4aff259cb.pdfIn PDF document text
- https://leruzifu.weebly.com/uploads/1/3/2/3/132302941/afe9c1b4d40.pdfIn PDF document text
- https://lewugudufe.weebly.com/uploads/1/3/4/6/134668986/aea3be5eb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf6498e6d49a06bb89dd7d/1606378649352/zawepakigalefuvevuwu.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc7b538feeefa0c0b63a799/t/5fc9640956e7c50656be857f/1607033866506/how_to_play_spades_plus_on_facebook.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc64a715687f52b6ba5cdb4/t/5fd1a8b3880fa23343d14fad/1607575731624/nifibixawil.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4eb7e662-9f27-42cb-b518-78f1cbc42f91/66590453048.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc1a7ea16f6d44b07c4161b/t/5fcf3cf2ba7003536ea6daa1/1607417103408/wrecking_ball_lyrics.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_off0000c488.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC488 | 5268 bytes |
SHA-256: d59f73480c9429cdab52ea16c822d58bb7d183465909825c520f4e8be82a50c9 |
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font_01_sfnt_off0000d640.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD640 | 9712 bytes |
SHA-256: f69a6540b8bf9729f422186d7a402bde8f3189990edc04720eef2927286b5abd |
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