MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, a common tactic for SEO poisoning and redirecting users to malicious sites. One of the primary links, 'https://ttraff.cc/wb?keyword=autumn%20leaves%20piano%20solo%20pdf', is identified as a known malicious redirector. The document body, though heavily obfuscated, also contains this URL, reinforcing the malicious intent. The ML classifier strongly supports the malicious verdict.
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/wb?keyword=autumn%20leaves%20piano%20solo%20pdf
- http://files.lh4biz.com/uploads/1/3/1/3/131398286/dc48e7e22d8.pdf
- http://rovapid.littledragonsrugby.org/uploads/1/3/2/8/132815028/darogovoxibi_wivozimap_feriregepenok.pdf
- http://files.euphoriacalm.com/uploads/1/3/1/4/131412362/sakotawok.pdf
- http://files.elermorevaleshoppingcentre.com.au/uploads/1/3/2/7/132710795/tanuwidizezuve_fevuduzizi_vonila.pdf
- https://cdn.shopify.com/s/files/1/0431/5840/5274/files/ramuxedowo.pdf
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/75658023370.pdf
- https://cdn.shopify.com/s/files/1/0428/8276/0870/files/aparato_respiratorio_aves.pdf
- https://cdn.shopify.com/s/files/1/0429/7929/5385/files/sasusoruzojedewojitapo.pdf
- https://cdn.shopify.com/s/files/1/0436/0414/8381/files/3771615824.pdf
- https://cdn.shopify.com/s/files/1/0428/7938/5766/files/soxeforobagep.pdf
- https://cdn.shopify.com/s/files/1/0432/7777/9100/files/81041301434.pdf
- https://cdn.shopify.com/s/files/1/0429/1202/2691/files/petekugetanajemawiforuw.pdf
- https://cdn.shopify.com/s/files/1/0429/9125/5713/files/xiwese.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005808.bin6d87ce8a00e6893492be4a1cf155392ff484ccc4f9537132d6c5c8ad32aef61f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5808 | 5140 bytes |
font_01_sfnt_off00006976.bin98da5072a2bd80a3227d4795bcc474ca0ef44a897143498b78186679176079b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6976 | 3020 bytes |
font_02_sfnt_off000075ae.bin78e0dac7bcc009a1d81ab82787f6f11d45a29d4fb2298f0cf2eeeac65cfde472 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75AE | 9980 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.