MALICIOUS
76
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a lure related to 'math worksheets land answer keys' and embeds a URL that redirects to a suspicious domain. This suggests a phishing attempt designed to lead users to a malicious site. The ML classifier strongly indicates maliciousness, and the embedded URL is a primary indicator of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://traffnew.ru/123?keyword=math+worksheets+land+answer+keys PDF link annotation
- https://cdn-cms.f-static.net/uploads/4367642/normal_5f9a2ee2d1c98.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448094/normal_5f9e38c4ccd1e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380859/normal_5f990c3411f3a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://pavegokeji.files.wordpress.com/2020/11/atharvashirsha_kannada.pdfIn PDF document text
- https://s3.amazonaws.com/wejalixex/4_lines_poem_on_moon_in_hindi.pdfIn PDF document text
- https://s3.amazonaws.com/roxawo/dinatapikamegekapejuwu.pdfIn PDF document text
- https://s3.amazonaws.com/xubifupi/is_christianity_a_religion.pdfIn PDF document text
- https://s3.amazonaws.com/pizexopenaxu/practical_electronics_for_inventors.pdfIn PDF document text
- https://puverak.files.wordpress.com/2020/11/65236564333.pdfIn PDF document text
- https://mudupetem.files.wordpress.com/2020/11/60700338149.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_off00007a7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A7F | 5176 bytes |
SHA-256: 0b1159e1fe4f60e106b6b087df5717e40b162fd63b7292976e51d9dca6a81bd6 |
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font_01_sfnt_off00008c30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C30 | 10840 bytes |
SHA-256: a4e2f80c4ee5343fd9edb4f43d8160550ffbee590181f2eb9f904beac63cf4a4 |
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