MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the malicious URL and references to a 'Pepsi logo png', suggesting a lure. The ML classifier also strongly indicated maliciousness. The primary attack pattern involves redirecting the user to malicious infrastructure.
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=pepsi+logo+png
- http://files.angelsandwine.com/uploads/1/3/0/7/130775432/mowakomorelonuwupon.pdf
- https://cdn.shopify.com/s/files/1/0432/0159/3505/files/27799649898.pdf
- https://cdn.shopify.com/s/files/1/0431/7442/8829/files/ratozuvorujimibewesejava.pdf
- https://cdn.shopify.com/s/files/1/0428/3249/4751/files/jazupatixun.pdf
- https://cdn.shopify.com/s/files/1/0440/4497/6278/files/21853532765.pdf
- https://cdn.shopify.com/s/files/1/0436/1001/3853/files/93313409900.pdf
- https://cdn.shopify.com/s/files/1/0437/4927/7845/files/zubemajekawota.pdf
- https://cdn.shopify.com/s/files/1/0433/7732/8286/files/35646832203.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dogudanivivakow.pdf
- https://cdn.shopify.com/s/files/1/0440/7204/2661/files/4389115705.pdf
- https://cdn.shopify.com/s/files/1/0431/8072/0294/files/bexagegipapenoli.pdf
- https://cdn.shopify.com/s/files/1/0446/7798/8505/files/introduction_to_html_css_and_javascript.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004f1d.bin682fe68e6b071cb0a0255b49fc13fe6037115cf0e27f9e8a38da6eec3f8be32d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F1D | 4684 bytes |
font_01_sfnt_off00005f19.bina7921e1f22a3b9f131f1d26e0a30b1579b95f06bc21b675b004e759a1faecb7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F19 | 1728 bytes |
font_02_sfnt_off000067b4.bin3de2c378ce39239cc4d8d0051793b3cdccb8f9e679f3e80b8c2b064b2c3ca3c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67B4 | 10120 bytes |
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