MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a link disguised as a download for 'iroot apkpure 2019'. This link, 'https://ttraff.me/pify?keyword=iroot+apkpure+2019', points to known malicious redirector infrastructure. The document also contains a large number of links to other PDFs, suggesting a link farm designed to manipulate search engine results or distribute malicious content. The ML classifier strongly flagged this PDF as malicious.
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.me/pify?keyword=iroot+apkpure+2019
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/c34aa9_5786a436838c4c16a1c7b7b359c9ddc9.pdf
- https://static.usrfiles.com/ugd/c79b1c_ee5bde7f8bda40c88a9dad38b0cb4428.pdf
- https://static.usrfiles.com/ugd/5bb01c_b86d4c6a9b42418283ed10dc174e964f.pdf
- https://static.usrfiles.com/ugd/828753_ed4850c590f44fdea6564c3e1df82612.pdf
- https://static.usrfiles.com/ugd/77941b_0e66aecf198a46e1bba07108df037fe5.pdf
- https://static.usrfiles.com/ugd/9ff9b8_06f044a8f9ad48459f32f695dff2f623.pdf
- https://static.usrfiles.com/ugd/c345b0_0c577fa465de4f1c9c2af06d58b3ddba.pdf
- https://static.usrfiles.com/ugd/be5703_754b2166bf3e481fb53f9bb72ec8e35d.pdf
- https://static.usrfiles.com/ugd/29c71c_4635183981b04cf4aecffb991d07e078.pdf
- https://static.usrfiles.com/ugd/3c8574_efe53985bcaf4c3f8cd2184a2811e062.pdf
- https://static.usrfiles.com/ugd/0dcf4b_b39d9cd8c9f94493bfb652b286820961.pdf
- https://static.usrfiles.com/ugd/529dbf_7aa92ead491a4f6dab4daf0ee2e0c7ba.pdf
- https://static.usrfiles.com/ugd/40b9e6_d75d82e0a97c4986ae49c8a07aba0e82.pdf
- https://static.usrfiles.com/ugd/b90ba1_9fb8642c5251449dbfbcbb92807f16fd.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_off00005065.bin0e2b4e9b2439a878b41e3883c9587ccae375886e5037e837893843bdf5dc6250 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5065 | 5088 bytes |
font_01_sfnt_off000061c6.bina78b535d691d0e5a3559070f98f1efc7197bea8f412037dcae9666cf70eaacbe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61C6 | 10184 bytes |
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