MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that point to a known malicious redirector, ttraff.ru. The document body, though heavily obfuscated, contains the same URL and a seemingly benign title related to 'emotional intelligence test questions and answers pdf'. This suggests a social engineering lure to direct users to malicious content. The ML classifier also strongly indicated maliciousness.
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.ru/pify?keyword=emotional+intelligence+test+questions+and+answers+pdf
- http://wesukef.foolsforchrist.net/uploads/1/3/2/3/132303382/945643.pdf
- http://files.pabritishcar.com/uploads/1/3/1/4/131453370/jedibekedupoxutibone.pdf
- http://files.lynncoc.org/uploads/1/3/1/4/131438869/zikutanunoroz-begedopudoninor.pdf
- https://cdn.shopify.com/s/files/1/0432/2230/2888/files/vugufatekefi.pdf
- https://cdn.shopify.com/s/files/1/0428/5045/1623/files/lusexe.pdf
- https://cdn.shopify.com/s/files/1/0433/3817/0526/files/62871524505.pdf
- https://cdn.shopify.com/s/files/1/0431/0115/9575/files/72865547925.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dojedeteremedadedarovir.pdf
- https://cdn.shopify.com/s/files/1/0436/4248/6934/files/16383505652.pdf
- https://cdn.shopify.com/s/files/1/0427/4959/1718/files/petopizepexor.pdf
- https://cdn.shopify.com/s/files/1/0436/2685/6610/files/8578093178.pdf
- https://cdn.shopify.com/s/files/1/0433/4957/3784/files/vuromil.pdf
- https://cdn.shopify.com/s/files/1/0433/8876/4316/files/css_z_index.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_off00007927.bin401171a9bce0697d4ffc31b1690e5ac80a678bbed61159d13fe8b9b28f96cfbb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7927 | 5652 bytes |
font_01_sfnt_off00008c54.bine69bb8a9fd262f41118368279678f7cf2076db9097c65bbd7450e833bffda88a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C54 | 11320 bytes |
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