MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector at 'https://ttraff.com/pify?keyword=trumpet+sheet+music+happy+birthday'. The document body, though heavily obfuscated, contains text suggesting it is related to sheet music, likely a lure. The ML classifier strongly indicated maliciousness. The presence of a malicious redirector suggests this PDF is part of a phishing or malware distribution chain.
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=trumpet+sheet+music+happy+birthday
- http://files.bpstis.org/uploads/1/3/0/7/130776822/wasopij-kemesuz-popesebul-kokefika.pdf
- https://cdn.shopify.com/s/files/1/0431/2068/9306/files/29964594687.pdf
- https://cdn.shopify.com/s/files/1/0432/9914/3838/files/97646814602.pdf
- https://cdn.shopify.com/s/files/1/0429/2273/7820/files/how_to_use_armitage_in_kali_linux.pdf
- https://cdn.shopify.com/s/files/1/0433/3407/4523/files/tamugik.pdf
- https://cdn.shopify.com/s/files/1/0433/1126/7990/files/32558078582.pdf
- https://cdn.shopify.com/s/files/1/0435/3579/4327/files/zuziwatoboginaz.pdf
- https://cdn.shopify.com/s/files/1/0429/4728/1062/files/desuzaxitajodox.pdf
- https://cdn.shopify.com/s/files/1/0462/0831/9641/files/waveguide_coupler_directivity.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mutim.pdf
- https://cdn.shopify.com/s/files/1/0434/6642/4477/files/52570198773.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/botolewapaniwid.pdf
- https://cdn.shopify.com/s/files/1/0428/3557/4943/files/teduwewa.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_off00005e09.bin046198473446fafecf4888c17bf8045d669809d3856ebdcd8a80d13a4d87f58f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E09 | 5472 bytes |
font_01_sfnt_off0000707f.bind50eaa9256071dd3b3eaea6db81bbbf645396d46e8ddffab1c2e59782d8dd090 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x707F | 10088 bytes |
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