MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, many of which point to a link farm infrastructure. One prominent URL, 'https://ttraff.com/wix?keyword=reported+speech+exercises+multiple+choices', is identified as a malicious redirector. The ML classifier also flagged this PDF with high confidence, suggesting malicious intent. The document body, though heavily obfuscated, contains the same malicious URL, indicating a likely attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.com/wix?keyword=reported+speech+exercises+multiple+choices
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/3608/0288/files/suluzupi.pdf
- https://cdn.shopify.com/s/files/1/0435/3484/4059/files/48724987931.pdf
- https://cdn.shopify.com/s/files/1/0431/8524/2261/files/caudiciform_and_pachycaul_succulents_for_sale.pdf
- https://cdn.shopify.com/s/files/1/0432/9386/8187/files/codex_adeptus_astartes_v8_fr.pdf
- https://cdn.shopify.com/s/files/1/0429/2784/9639/files/roman_numerals_worksheet_for_year_3.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80170273674.pdf
- https://cdn.shopify.com/s/files/1/0430/6396/7906/files/fupovozameziwekitu.pdf
- https://cdn.shopify.com/s/files/1/0451/4122/9733/files/11438501485.pdf
- https://cdn.shopify.com/s/files/1/0449/2718/9147/files/69585221172.pdf
- https://cdn.shopify.com/s/files/1/0430/1979/6643/files/14993576393.pdf
- https://static.usrfiles.com/ugd/b8c837_bab8d139f16d40d2aa89387052243d87.pdf
- https://static.usrfiles.com/ugd/b8c837_bc75df98817d440eaba87af0d092cd52.pdf
- https://static.usrfiles.com/ugd/a2c2bc_024e837b53be4600b71e50002f551034.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000043f2.bin88452efba4fb9b4e5f6b4010b8c079407dd7e59fcc30d82497e08dd96481a327 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x43F2 | 5176 bytes |
font_01_sfnt_off00005573.bind6c7a52c9477835ebe187615169a45e5652ac4cca295ff957652c1c6439f7623 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5573 | 9884 bytes |
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