MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to benign Shopify URLs, but one critical link redirects to `ttraff.com`, identified as malicious redirector infrastructure. This suggests a phishing or scam attempt, using a seemingly innocuous lure like 'free guitar sheet music' to entice clicks. The ML classifier strongly supports the malicious verdict.
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=river+flows+in+you+guitar+sheet+free
- http://files.indianaregion.org/uploads/1/3/0/7/130775897/8900363.pdf
- http://files.hiredentalstaff.com/uploads/1/3/1/4/131437806/816324.pdf
- http://files.afalive.com/uploads/1/3/2/6/132681812/6086133.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/8000/0423/files/rixedigufewapapowiximibez.pdf
- https://cdn.shopify.com/s/files/1/0431/1462/7234/files/51158479180.pdf
- https://cdn.shopify.com/s/files/1/0434/5973/9814/files/junior_achievement_economics_study_guide_answers.pdf
- https://cdn.shopify.com/s/files/1/0432/4232/4125/files/quality_assurance_documentation.pdf
- https://cdn.shopify.com/s/files/1/0434/3264/0679/files/19655690999.pdf
- https://cdn.shopify.com/s/files/1/0434/6124/7129/files/atmosfera_estandar.pdf
- https://cdn.shopify.com/s/files/1/0428/4514/3206/files/hari_arora_applied_mathematics_3_download.pdf
- https://cdn.shopify.com/s/files/1/0431/3278/0695/files/innovativeness_definition.pdf
- https://cdn.shopify.com/s/files/1/0433/0346/9221/files/puzanikimibixivo.pdf
- https://cdn.shopify.com/s/files/1/0433/1818/2041/files/kirabowaramokaduweraxefe.pdf
- https://cdn.shopify.com/s/files/1/0431/9327/0429/files/73306835411.pdf
- https://cdn.shopify.com/s/files/1/0429/5763/5735/files/xujos.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_off000046ca.binc00e4c704108e01e815844584334ab91461b0f6acb341327382e4df1754e80ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46CA | 5292 bytes |
font_01_sfnt_off000058e0.binb41e50a9d9d84776091664881ffee383525a7ec65f26e61316ee049df9185b98 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58E0 | 10384 bytes |
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