MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, including one pointing to a known malicious redirector. The presence of a 'download button' heuristic and the embedded URL suggest a social engineering lure to trick the user into clicking the link. The document body, though heavily obfuscated, contains the malicious URL and other links that appear to be part of a link farm designed to improve search engine ranking for malicious content.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/pify?keyword=coordination+chemistry+notes+pdf
- http://files.ailienvuong.com/uploads/1/3/0/8/130874050/bc3fc18e4f7c1db.pdf
- http://files.holywaterbooks.com/uploads/1/3/0/7/130739061/2ef258569c40f.pdf
- http://files.extensionslashnbrow.com/uploads/1/3/1/4/131455024/dirotezawuga_xobukirukile_banisujirenimeb.pdf
- https://cdn.shopify.com/s/files/1/0434/4319/1969/files/peboluzib.pdf
- https://cdn.shopify.com/s/files/1/0431/7354/4093/files/99932645010.pdf
- https://cdn.shopify.com/s/files/1/0436/6427/7657/files/stream_processing_with_apache_flink_github.pdf
- https://cdn.shopify.com/s/files/1/0431/6728/5408/files/5232717478.pdf
- https://cdn.shopify.com/s/files/1/0437/1247/9382/files/38002087135.pdf
- https://cdn.shopify.com/s/files/1/0434/2890/5127/files/99509582913.pdf
- https://cdn.shopify.com/s/files/1/0434/7287/9773/files/kafabukovizozegabepipi.pdf
- https://cdn.shopify.com/s/files/1/0430/7792/7072/files/pzo1135_horror_adventures.pdf
- https://cdn.shopify.com/s/files/1/0429/4351/2732/files/82651291709.pdf
- https://cdn.shopify.com/s/files/1/0434/4990/9415/files/72776210849.pdf
- https://cdn.shopify.com/s/files/1/0435/5624/1557/files/lopifuk.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_off00006ce6.bind5f15e5190e1a46f6cf2cec3af5baf62983c4ff8f15011965ce975fdddc61e63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CE6 | 5276 bytes |
font_01_sfnt_off00007eb0.bin2790e758a490ea82b12df3ba66a97dc1965bd6c6859198836c577b8ebf3d926f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EB0 | 14012 bytes |
font_02_sfnt_off0000aa4d.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA4D | 4324 bytes |
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