MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that mirrors the malicious redirector. This suggests the primary purpose is to lure users to malicious sites. The presence of a link farm further supports this, aiming to increase visibility and traffic to the 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.club/wix?keyword=antropologia+aplicada+foster+pdf
- https://cdn.shopify.com/s/files/1/0437/7369/0017/files/adsense_arbitrage_hack.pdf
- https://cdn.shopify.com/s/files/1/0433/9659/5870/files/53892609973.pdf
- https://cdn.shopify.com/s/files/1/0432/0215/0557/files/50697840500.pdf
- https://static.usrfiles.com/ugd/61804c_4a5e95ceb7114b5290f3083f38c1e835.pdf
- https://static.usrfiles.com/ugd/12dc78_2fd77a3a23484850abd679e6f9c387cf.pdf
- https://static.usrfiles.com/ugd/c345b0_61cd757977374f3f96298fdf3ad1ed0c.pdf
- https://static.usrfiles.com/ugd/b8c837_b7ab7b7970844811aeeabe7b5dd323dc.pdf
- https://cdn.shopify.com/s/files/1/0432/0352/6820/files/sekup.pdf
- https://cdn.shopify.com/s/files/1/0436/9675/0742/files/99597986142.pdf
- https://cdn.shopify.com/s/files/1/0438/6439/1845/files/89387736058.pdf
- https://cdn.shopify.com/s/files/1/0439/0522/0763/files/6258693279.pdf
- https://cdn.shopify.com/s/files/1/0429/6717/1223/files/gukifanajuda.pdf
- https://cdn.shopify.com/s/files/1/0431/6433/6290/files/vemonamesuvu.pdf
- https://cdn.shopify.com/s/files/1/0431/4093/9933/files/negipojetokikokigofoxuki.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_off0000a9a5.bina431453414a6cb019c5de13547ec5a2d101ce88c269fd71c04a0f0c4966498a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9A5 | 5312 bytes |
font_01_sfnt_off0000bbc7.bin9ebd445454f6859ed8be68729baef0a6367eacaafe43e43785868766f0a35ff3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBC7 | 10376 bytes |
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