MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link to a known malicious redirector, ttraff.com, disguised as a search result for sheet music. This suggests a phishing or scam attempt. The file also contains a large number of links to PDFs hosted on Shopify, likely part of a link farm to improve search engine ranking for malicious content. No scripts were extracted, and the document body is heavily obfuscated, but the presence of the malicious redirector is a strong indicator of malicious intent.
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.com/wix?keyword=amazing+grace+sheet+music+trumpet+free
- https://cdn.shopify.com/s/files/1/0432/5385/8472/files/5552181607.pdf
- https://cdn.shopify.com/s/files/1/0432/3940/7784/files/ing_agile_transformation_journey.pdf
- https://cdn.shopify.com/s/files/1/0430/5040/1945/files/buvukexizisok.pdf
- https://cdn.shopify.com/s/files/1/0437/8587/9713/files/tavamavusovura.pdf
- https://cdn.shopify.com/s/files/1/0432/4874/6651/files/1621562261.pdf
- https://static.usrfiles.com/ugd/221f3a_56a1e6e1cc7a4c8ebeb698f5a8c626d4.pdf
- https://static.usrfiles.com/ugd/b8c837_e0de796fada64556b4cb00baf59f5ec7.pdf
- https://static.usrfiles.com/ugd/269bb8_afd0af68d3af42e4a586568c1fd12974.pdf
- https://static.usrfiles.com/ugd/b8c837_d6be4d119454488385e544be8e0be150.pdf
- https://static.usrfiles.com/ugd/a107db_d9f907301eb44a8f9168e0e8469e172a.pdf
- https://static.usrfiles.com/ugd/97368a_d217af3b8f2643bea3822d782a3a99f8.pdf
- https://cdn.shopify.com/s/files/1/0433/7165/9414/files/jisexuv.pdf
- https://cdn.shopify.com/s/files/1/0433/2093/4558/files/biological_classification_class_11_notes_download.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_off000061e7.bin95b2eb7f4ead25769d20b1c4cf6fde0875a49b78d99d913c5b5151768dc0058c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61E7 | 5436 bytes |
font_01_sfnt_off00007440.binda4514f2fb24df8d966a0b6609643d43403afdd9c7aecb191aa8a06328f5ee08 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7440 | 9752 bytes |
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