MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, many of which point to a redirector service known for malicious activity. The document body text, though heavily obfuscated, includes a URL that appears to be part of a phishing or scam lure, specifically referencing educational materials. The presence of a malicious redirector link and the ML classifier's high confidence score indicate a high likelihood of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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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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://ttraff.cc/pify?keyword=7th+grade+math+workbook+with+answers+pdf In PDF document text
- http://files.jacquelinestanford.com/uploads/1/3/0/7/130775635/gigogeziviruti.pdfIn PDF document text
- http://files.palmamingozzi.com/uploads/1/3/1/4/131438316/cf2f7d7c6504.pdfIn PDF document text
- http://files.clcciowa.com/uploads/1/3/0/9/130969440/vamipi_dimazodugoka_pavidufevisuzid_totilunipozux.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
- https://cdn.shopify.com/s/files/1/0434/5495/5672/files/wozotepa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0813/8150/files/43891858290.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2157/4049/files/ketijekojuloda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3124/8541/files/random_phrase_generator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1918/1978/files/59741686013.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4375/7992/files/jataziki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3853/8904/files/17701248398.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0333/0208/files/34976320163.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1455/3763/files/wexufatawerivirefumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3771/0744/files/23355229864.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/60291298735.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8089/0008/files/sonukinanulolawikegaropi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7198/7098/files/776949921.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009f3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F3A | 1920 bytes |
SHA-256: 160ce1f4f33f7015272c6c90f2eec4913f289de80432c67f9ca9002e6c5233b4 |
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font_01_sfnt_off0000a847.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA847 | 5704 bytes |
SHA-256: fdef8e9b8619d6e39a09de52f6ea7f4ff626ce4d4421e6809ab6941ee23ebac9 |
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font_02_sfnt_off0000bbab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBAB | 13096 bytes |
SHA-256: 0e0828c81f9565c68ad80e03b070cf540a2be49fad689c0dccc4e4759d5bdbaa |
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