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, directing users to a URL associated with malicious activity. The document body, though heavily obfuscated, contains text that appears to be a lure for 'coping skills worksheets for anxiety' and embeds multiple external PDF links, many of which are hosted on Shopify. One of the embedded URLs, 'https://ttraff.ru/pify?keyword=coping+skills+worksheets+for+anxiety', is flagged as a known malicious redirector.
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=coping+skills+worksheets+for+anxiety
- http://mexago.gametimeranches.com/uploads/1/3/0/9/130969916/suwijakaw.pdf
- http://rorudaxij.sciencesmartssociety.org/uploads/1/3/1/0/131070581/d36b5ea6cf9be3.pdf
- http://files.laserkelowna.com/uploads/1/3/1/4/131482975/jepupufudiwisepube.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/8254/7361/files/lonina.pdf
- https://cdn.shopify.com/s/files/1/0431/9690/7678/files/example_of_chicago_manual_style_annotation.pdf
- https://cdn.shopify.com/s/files/1/0431/7665/7051/files/44787839791.pdf
- https://cdn.shopify.com/s/files/1/0433/2965/0843/files/82229047303.pdf
- https://cdn.shopify.com/s/files/1/0428/9311/5558/files/gowezux.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vixegenosevisime.pdf
- https://cdn.shopify.com/s/files/1/0440/0542/5310/files/anomalias_cromosomicas_definicion.pdf
- https://cdn.shopify.com/s/files/1/0433/7080/7459/files/4151248667.pdf
- https://cdn.shopify.com/s/files/1/0437/7450/9213/files/zisemesa.pdf
- https://cdn.shopify.com/s/files/1/0440/5932/8662/files/kozuranexinagufete.pdf
- https://cdn.shopify.com/s/files/1/0429/4954/2047/files/49717944278.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_off0000732c.bin2d308c62df09538cc4df3a8a3e0ca063d8c9330e544c153e602ee456ae45ca05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x732C | 5392 bytes |
font_01_sfnt_off0000859d.bin95d3a5621a447404547c55fcca2490a6dff709ef9484a66fbe7f00e7154cc124 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x859D | 9896 bytes |
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