MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, many of which are to benign Shopify-hosted PDFs. The ML classifier strongly flagged this PDF as malicious. The embedded URL is likely intended to lure the user to a malicious site, potentially for further exploitation or phishing.
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=binary+to+octal+conversion+questions+and+answers
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0441/1251/1128/files/negative_prefixes_adjectives_exercises.pdf
- https://cdn.shopify.com/s/files/1/0430/9932/4580/files/98013290020.pdf
- https://cdn.shopify.com/s/files/1/0433/4285/6345/files/discord_js_totoal_messages.pdf
- https://cdn.shopify.com/s/files/1/0432/8184/2332/files/lewos.pdf
- https://cdn.shopify.com/s/files/1/0431/7541/1872/files/3534216217.pdf
- https://static.usrfiles.com/ugd/b8c837_d2bfe7550c034fc0a0d9026a4d0f3553.pdf
- https://static.usrfiles.com/ugd/e1d12c_5d323c2e53a845698aa18c7bf7c633b4.pdf
- https://cdn.shopify.com/s/files/1/0438/0845/6861/files/concrete_and_abstract_nouns_worksheet_high_school.pdf
- https://cdn.shopify.com/s/files/1/0461/9567/1203/files/coordinate_grid_worksheets_6th_grade.pdf
- https://cdn.shopify.com/s/files/1/0465/0860/5590/files/61390601737.pdf
- https://cdn.shopify.com/s/files/1/0437/3816/9498/files/itr_acknowledgement_form_2020_15.pdf
- https://static.usrfiles.com/ugd/9d869b_87cd4ad4ca9d4a4988b1ca325cdbf3c6.pdf
- https://static.usrfiles.com/ugd/b8c837_45da52d625c44efcb53d7e24afddb6c0.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_off00006286.binc8b6d69e1e6deb259f53c64816c5a6f4435f256760927f78b764140189cd1047 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6286 | 5364 bytes |
font_01_sfnt_off000074ec.bin138e080b33ae9d05c9c1385db5e8c4388dfe57037961a82e508bd20c446046c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74EC | 15260 bytes |
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