MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is known malicious infrastructure. Additionally, it exhibits characteristics of a PDF link farm, embedding a large number of external links, many of which point to 'static.usrfiles.com'. The document body, though heavily obfuscated, contains the same lure text and URLs as found in the heuristics, suggesting an attempt to drive downloads or traffic to malicious sites. The presence of a visual download button heuristic further supports this. No scripts were extracted from this sample.
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.com/wix?keyword=50+shades+of+grey+ebook+download+fre
- https://static.usrfiles.com/ugd/b8c837_48d132b8992940a8b6dfd096f1126b78.pdf
- https://static.usrfiles.com/ugd/b8c837_440114f5513f4854b313b69758118795.pdf
- https://static.usrfiles.com/ugd/b8c837_a0ccbb5b64f645d2a63ec0126a010652.pdf
- https://static.usrfiles.com/ugd/b8c837_7a07edf9d9f64c18bb50311f113be05c.pdf
- https://static.usrfiles.com/ugd/de65f7_ad2bce176dff4e46b06171734d942c72.pdf
- https://cdn.shopify.com/s/files/1/0429/0933/5715/files/33122250650.pdf
- https://cdn.shopify.com/s/files/1/0427/9474/6023/files/71353226564.pdf
- https://cdn.shopify.com/s/files/1/0431/8684/7903/files/11602447069.pdf
- https://cdn.shopify.com/s/files/1/0428/5664/4774/files/zimidipafulonamexeb.pdf
- https://static.usrfiles.com/ugd/b8c837_b5a9a028e0b644cd8d98e93a5652333a.pdf
- https://static.usrfiles.com/ugd/4d400c_ca598a89e34d432e9522be08b20c51a0.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/47878122177.pdf
- https://cdn.shopify.com/s/files/1/0434/4122/5880/files/all_algebra_1_formulas.pdf
- https://cdn.shopify.com/s/files/1/0429/9866/1279/files/42301479442.pdf
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/marpol_annex_1_to_6_summary.pdf
- https://cdn.shopify.com/s/files/1/0431/3514/0007/files/the_leader_who_had_no_title.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_off00005cdb.bin5855416035567f8766bcb970b8b5ac36f562b97f239c0b0a774dca38157d3c88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CDB | 5736 bytes |
font_01_sfnt_off00007068.bindafabc4fbe34d59738cff95514785799b975278eca9bbca660828af8c7844cfe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7068 | 7004 bytes |
font_02_sfnt_off000082ee.bindce435081fc2f3c657ed89c2f86dc01ace8c884ab730b64177ca3a279e318ee6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82EE | 10788 bytes |
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