MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, indicating an attempt to lead the user to a harmful site. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the redirector URL and several other URLs, suggesting a link farm or redirection scheme.
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.me/wix?keyword=gramatica+a+indirect+object+pronouns+answers
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://02cad368-a5db-4e3b-90b4-77934bfccb4d.filesusr.com/ugd/5ed537_1380bb3eaccf4ee8aefef549dc977e67.pdf?index=true
- https://442cd7f0-a762-4f62-84ad-ae29945ae25d.filesusr.com/ugd/575fb0_11e290e5599045c38d9e55ddbd7f3a9f.pdf?index=true
- https://d1c88787-f080-4b8c-b176-016219a54ca1.filesusr.com/ugd/e2f197_dbc57c20088c4842a45910a567d57c54.pdf?index=true
- https://c629ad9c-e41b-450a-bf02-855d89fd850b.filesusr.com/ugd/bd7df1_4167abf0d2a14e808e7258171884774b.pdf?index=true
- https://5b62194f-1702-466d-a3de-d45757a3e7e6.filesusr.com/ugd/40512e_347dacfdf8604920a02b426c1dbc6913.pdf?index=true
- https://cdn.shopify.com/s/files/1/0433/2647/2345/files/bi_weekly_mortgage_calculator_excel_template.pdf
- https://cdn.shopify.com/s/files/1/0433/3459/8809/files/kavizubefovupilotaxi.pdf
- https://cdn.shopify.com/s/files/1/0439/0138/6920/files/kasogatizejuvolad.pdf
- https://cdn.shopify.com/s/files/1/0432/4897/6027/files/silojizutajafo.pdf
- https://735c0868-4d45-46c4-b23a-ffd36e08e37a.filesusr.com/ugd/defcb2_4a4c32b585544342aa88be3c7ec3a259.pdf?index=true
- https://a784d1b3-3aa4-4fe8-8b2d-7a0ebf7a3269.filesusr.com/ugd/4a2613_6a24e6cd28584d0f90b236389d351bcc.pdf?index=true
- https://dbb65d20-898c-42b5-99c5-ab4cffca65a9.filesusr.com/ugd/33a2e4_4290bf1b3d1f44bd85a9b554b853e6e2.pdf?index=true
- 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_off00005844.binc6e3852d7c059d1c7eda740d9c5f3f0fa489fed086ec7d758e6b99f703f09536 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5844 | 5528 bytes |
font_01_sfnt_off00006b04.bin454c0cab8f31e349d844c48da07aea81201550b20f1da93b8977489a7fe3fa80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B04 | 10168 bytes |
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