MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a mass of external links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/wb?keyword=sustainable%20energy%20systems%20engineering%20pdf', which is also listed as a malicious redirector. This suggests the primary goal is to trick the user into clicking the link to a malicious site, likely for credential harvesting or further malware delivery.
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/wb?keyword=sustainable%20energy%20systems%20engineering%20pdf
- http://degeratob.stuartcrouch.net/uploads/1/3/2/7/132741555/zifemiko.pdf
- http://dawelu.mrslovdokken.com/uploads/1/3/0/8/130874330/porisipikefuge.pdf
- http://files.lknailsandbeauty.co.uk/uploads/1/3/2/6/132681938/wovaxale.pdf
- https://cdn.shopify.com/s/files/1/0431/3438/6332/files/gaxasalidurukepogiz.pdf
- https://cdn.shopify.com/s/files/1/0431/3242/0250/files/operations_management_william_stevenson_11th_edition.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/docker_run_interactive_shell.pdf
- https://cdn.shopify.com/s/files/1/0433/8846/9398/files/vlookup_hlookup_in_excel_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0432/0159/3507/files/nusuderimalodasud.pdf
- https://cdn.shopify.com/s/files/1/0434/7274/8710/files/aggregate_testing_methods.pdf
- https://cdn.shopify.com/s/files/1/0438/3434/3586/files/kazal.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xizujebekox.pdf
- https://cdn.shopify.com/s/files/1/0431/7344/5792/files/15160740977.pdf
- https://cdn.shopify.com/s/files/1/0433/3004/4062/files/42728433010.pdf
- https://cdn.shopify.com/s/files/1/0432/0329/7438/files/zonibotumave.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_off00006729.bin301c77beb7294ae41c9de0045e90c9184e65f386629199b0b088b4f13f0da2cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6729 | 5704 bytes |
font_01_sfnt_off00007a75.bina337252acf0b492ea81445fd8f635fb6513945d4cc63275e14bee01d2714390b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A75 | 10440 bytes |
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