MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.com, disguised as piano sheet music. The document body and embedded links further support this, pointing to a link farm strategy. The primary malicious IOC is the redirector URL, which likely leads to further malicious content.
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=careless+whisper+piano+sheet+music+pdf
- http://files.theygavetheirtoday.com/uploads/1/3/0/7/130740180/b33f6ff26c3c.pdf
- http://mikoro.vikramshankar.com/uploads/1/3/0/7/130775734/cf726.pdf
- http://files.impalac.com/uploads/1/3/0/7/130775108/5b78ccf2e.pdf
- https://cdn.shopify.com/s/files/1/0428/5746/3964/files/mesuleselulazapumolupan.pdf
- https://cdn.shopify.com/s/files/1/0440/1430/5430/files/49472458132.pdf
- https://cdn.shopify.com/s/files/1/0437/3485/9941/files/87175021475.pdf
- https://cdn.shopify.com/s/files/1/0434/4007/9005/files/jinigidaw.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78394199391.pdf
- https://cdn.shopify.com/s/files/1/0436/6453/9798/files/zusakuvufawibazetolatof.pdf
- https://cdn.shopify.com/s/files/1/0440/5107/1126/files/65716696130.pdf
- https://cdn.shopify.com/s/files/1/0434/0737/6546/files/circle_class_java.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gevuruliwineda.pdf
- https://cdn.shopify.com/s/files/1/0429/1418/5372/files/muduneb.pdf
- https://cdn.shopify.com/s/files/1/0429/1035/1513/files/panebupaxined.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_off00004aff.binb41db3adeefc186d11836cde809dd30634c8a72095d275621040f03f5971e42c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4AFF | 5392 bytes |
font_01_sfnt_off00005d3a.bin26ecd9119fdf52ea5e9ff82dd712a27a8cd4e8177b168280ae06b3a556b448d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D3A | 12124 bytes |
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