MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, many of which are benign but serve to obscure the malicious one. The presence of a 'download button' lure further supports the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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.com/wix?keyword=ascribe+to+the+lord+sheet+music
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/8110/5562/files/sisaza.pdf
- https://cdn.shopify.com/s/files/1/0440/7597/4821/files/firefox_version_52_32_bit_filehippo.pdf
- https://cdn.shopify.com/s/files/1/0439/0410/6651/files/adobe_photoshop_cs2_9._0_free_mac.pdf
- https://cdn.shopify.com/s/files/1/0434/8693/7253/files/43970216761.pdf
- https://static.usrfiles.com/ugd/efb3f0_f5ff5204b98d4fd794347e4b6c378968.pdf
- https://static.usrfiles.com/ugd/277b62_82a0f4976b524468a6e546f68185c7da.pdf
- https://static.usrfiles.com/ugd/b8c837_1948a1f182a64a24bd371e375ea045b1.pdf
- https://static.usrfiles.com/ugd/ca300b_ea333f4da3044606a24591f733d87ee0.pdf
- https://static.usrfiles.com/ugd/10e3af_d4736d787a6c4d1dab911e75dbe090f0.pdf
- https://static.usrfiles.com/ugd/db93e9_40a37dfebd514815b5ed5847c621f8e7.pdf
- https://static.usrfiles.com/ugd/ca9b0a_6bbf37960bbf45efb82c215b1c0e9379.pdf
- https://static.usrfiles.com/ugd/e1d12c_87bfdf421199418fbeacb7c0c62fd9d3.pdf
- https://static.usrfiles.com/ugd/5438e3_224609b78ad94bdaa039b95b1968d820.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004a1c.bin643015bd918bef7144e6d4b6486c092ee1fa6a54e71528e921d10a1dcb96c44e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A1C | 5100 bytes |
font_01_sfnt_off00005b45.binabb0bc4c524913b0d94baba188d47ae5cc7a20ed229a952c777085efd7e61e34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B45 | 10444 bytes |
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