MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wix?keyword=graded+assignment+lab+report+levers+and+pulleys'. This URL is likely used to redirect users to a malicious site. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many of which are benign but serve to obscure the malicious one. The ML classifier strongly flagged this PDF as malicious.
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.cc/wix?keyword=graded+assignment+lab+report+levers+and+pulleys
- https://static.usrfiles.com/ugd/f0f215_4394cd88c61b470aa3d88ca6aff32663.pdf
- https://static.usrfiles.com/ugd/eda9ba_5d317e705cbe43aaab65b3bf6813dcdd.pdf
- https://static.usrfiles.com/ugd/0c41e7_bef662d949f24d5a95e72b2a6dab84ee.pdf
- https://cdn.shopify.com/s/files/1/0430/4361/8965/files/wenaja.pdf
- https://static.usrfiles.com/ugd/b42fd6_9f79e90e019445f28f6e137a1389c04d.pdf
- https://static.usrfiles.com/ugd/865d50_2c6cb3954846482db105e5f752e02cba.pdf
- https://cdn.shopify.com/s/files/1/0438/4679/5424/files/get_ielts_band_9_writing.pdf
- https://cdn.shopify.com/s/files/1/0431/5352/2850/files/advanced_placement_economics_teacher_resource_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/2167/2356/files/97479342241.pdf
- https://cdn.shopify.com/s/files/1/0435/7206/8520/files/51307997428.pdf
- https://cdn.shopify.com/s/files/1/0437/6428/5592/files/lufopev.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000044e1.bin77f4feff30d683846e130e4c078d42b98aebd1ce03e2f54a6c49e067470b2d18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x44E1 | 5612 bytes |
font_01_sfnt_off000057e7.binec2243aafe3c70b96584e4d3668eeb33a4251ed1a55e059159e7f2e003585a32 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57E7 | 9748 bytes |
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