MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded links, many of which point to a link farm designed to host other PDFs. One prominent link directs to a known malicious redirector, ttraff.com, disguised as a guitar sheet music download. The ML classifier strongly indicated maliciousness, and the PDF structure itself is suspicious due to the mass of external links.
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/wix?keyword=yellow+ledbetter+guitar+sheet+music
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_b207ad7ef46945b7889860c5efc70661.pdf
- https://static.usrfiles.com/ugd/19ce5d_0910d7fa1d2840ecbd83a627e60facb5.pdf
- https://static.usrfiles.com/ugd/b48b60_47e928b6e04a481d87c49a1b9e8a565f.pdf
- https://static.usrfiles.com/ugd/0dcf4b_15bef1edef4746daa5f6b517658b9531.pdf
- https://static.usrfiles.com/ugd/0a052f_cd798f2234ec4ddfb3e2dc307ab53314.pdf
- https://cdn.shopify.com/s/files/1/0434/9932/3558/files/36517097123.pdf
- https://cdn.shopify.com/s/files/1/0430/1049/0519/files/pazukibazumikukufaworine.pdf
- https://cdn.shopify.com/s/files/1/0440/2230/0822/files/attestation_de_travail_algerie.pdf
- https://cdn.shopify.com/s/files/1/0431/8494/7357/files/55706529784.pdf
- https://cdn.shopify.com/s/files/1/0433/6982/4414/files/89740297361.pdf
- https://cdn.shopify.com/s/files/1/0435/1826/3464/files/jevewefizewukofebewan.pdf
- https://cdn.shopify.com/s/files/1/0428/3655/7987/files/levumowiduxuvofurevar.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006647.bin05f32136c58452d12773dbba76b60bc01c4beb6fd63e8d32f041eb4a30cc9c0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6647 | 5544 bytes |
font_01_sfnt_off00007904.bin8f19c3383c500be4f697f98a67aa30c3fa8a540be87f7d95adc16a94a5084711 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7904 | 15360 bytes |
font_02_sfnt_off0000a8e1.bin541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8E1 | 16204 bytes |
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