MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is `https://ttraff.ru/wb?keyword=hcr%2020%20risk%20assessment%20pdf`. Additionally, a large number of links to Shopify domains were found, suggesting a link farm or distribution method. The ML classifier 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/wb?keyword=hcr%2020%20risk%20assessment%20pdf
- http://files.hellovetmed.com/uploads/1/3/0/8/130874647/306995b4fc7f075.pdf
- https://cdn.shopify.com/s/files/1/0430/6498/3703/files/kaxoxidefimagugawuwusura.pdf
- https://cdn.shopify.com/s/files/1/0429/9977/5381/files/51555274997.pdf
- https://cdn.shopify.com/s/files/1/0430/5072/9634/files/candlelight_carol_ssa.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zisavugeti.pdf
- https://cdn.shopify.com/s/files/1/0431/1210/4103/files/livisibodalod.pdf
- https://cdn.shopify.com/s/files/1/0436/3033/0019/files/42386813397.pdf
- https://cdn.shopify.com/s/files/1/0433/6094/4296/files/bowenawegazatotesamifu.pdf
- https://cdn.shopify.com/s/files/1/0440/5913/2056/files/adjective_worksheet_grade_6.pdf
- https://cdn.shopify.com/s/files/1/0430/4021/1105/files/fenetolipagutob.pdf
- https://cdn.shopify.com/s/files/1/0437/4613/2119/files/fivosuwusogaxugadogo.pdf
- https://cdn.shopify.com/s/files/1/0431/0489/5143/files/today_tamil_dinamani_news_paper_download.pdf
- https://cdn.shopify.com/s/files/1/0434/0822/8508/files/what_did_the_dormouse_say.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_off00006827.bin5c2ff28190a74a5b0e5eabfa94055c25fff05136dea18cc2b029453c81494ec6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6827 | 5568 bytes |
font_01_sfnt_off00007af2.bin9f0c8c003040585a03a24e96f92220742375bc4000ae7d5366c5909d8de08070 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AF2 | 11028 bytes |
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