MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link farm and a critical heuristic firing for a malicious redirector. The document body, though corrupted, contains text suggesting a lure related to sheet music, which is then linked to a malicious redirector. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be directing users to malicious infrastructure via embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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.cc/pify?keyword=one+republic+apologize+sheet+music+pdf
- http://files.antiquestauranga.co.nz/uploads/1/3/1/3/131380612/riboro.pdf
- http://nopetexo.purplelotusspiritualhealinginc.com/uploads/1/3/1/0/131070450/besopakasabodi-kuneginipifo.pdf
- http://files.yecsonline.org/uploads/1/3/1/0/131069812/dofirulazu_lejegi.pdf
- http://files.ginahochstall.org/uploads/1/3/0/8/130874162/jodeganinisetoden.pdf
- https://cdn.shopify.com/s/files/1/0437/3777/6289/files/certified_ophthalmic_technician_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0430/7789/4293/files/21347351204.pdf
- https://cdn.shopify.com/s/files/1/0434/3041/2437/files/83248743636.pdf
- https://cdn.shopify.com/s/files/1/0434/5459/5224/files/cold_supply_chain_management.pdf
- https://cdn.shopify.com/s/files/1/0435/9664/4511/files/cinematographer_magazine.pdf
- https://cdn.shopify.com/s/files/1/0437/1090/6518/files/64012141591.pdf
- https://cdn.shopify.com/s/files/1/0439/8209/4494/files/sakanikevoreke.pdf
- https://cdn.shopify.com/s/files/1/0437/0703/9895/files/autocad_3d_plugin_free.pdf
- https://cdn.shopify.com/s/files/1/0430/4686/3005/files/jopoberolobiputugi.pdf
- https://cdn.shopify.com/s/files/1/0431/0876/1764/files/killeen_craigslist_org.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_off00004f86.binfde934266626f8655fe521000de3b4cb3d4327642959f2fef82c23da1c838ecb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F86 | 5784 bytes |
font_01_sfnt_off00006306.binf8a39d4c7ffc341fb8c02947ad6aaecdbfd1ff47741a97e3b8a426fff32f3a9c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6306 | 15308 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.