MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, including one pointing to a known malicious redirector infrastructure at 'ttraff.com'. The document body, though partially corrupted, suggests a lure related to 'blackbird flute sheet music', likely intended to deceive users into clicking the malicious link. The ML classifier strongly supports the malicious nature of this PDF.
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/pify?keyword=blackbird+flute+sheet+music
- http://zitug.ormistoncollegemusic.com/uploads/1/3/1/6/131607254/fagutuwux.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/5326/8642/files/39418724794.pdf
- https://cdn.shopify.com/s/files/1/0431/6954/6395/files/44884984043.pdf
- https://cdn.shopify.com/s/files/1/0429/8568/5153/files/12290042666.pdf
- https://cdn.shopify.com/s/files/1/0435/5771/6119/files/gavoselabiwipasa.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/75815848510.pdf
- https://cdn.shopify.com/s/files/1/0434/5026/9849/files/architecture_portfolio_samples_free.pdf
- https://cdn.shopify.com/s/files/1/0438/1877/8781/files/vajumivozozemel.pdf
- https://cdn.shopify.com/s/files/1/0436/1509/2894/files/saduwozibabokaka.pdf
- https://cdn.shopify.com/s/files/1/0437/0569/6407/files/thinking_out_loud_guitar_chords.pdf
- https://cdn.shopify.com/s/files/1/0429/7015/3113/files/20935277570.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_off00004348.binc7b831220e4d48d806fde31115a2a6924bee91887a649f23fc0f8a3b5f8c1dcb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4348 | 5512 bytes |
font_01_sfnt_off000055d4.binfbbee18db1d83d3c33716ce127b38e6b812d3a960d3d015857b9835e24d2fa84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55D4 | 9912 bytes |
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