MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a significant number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. One of these links, https://ttraff.me/wix?keyword=isentropic+efficiency+compressor+cal, is identified as a known malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The document body appears to be malformed or heavily obfuscated, making it difficult to determine a specific user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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.me/wix?keyword=isentropic+efficiency+compressor+cal
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b4a829_fe9ba97a235e4989a6d564789442b650.pdf
- https://static.usrfiles.com/ugd/48f461_cbc16fc75a484e0896dedba466c80956.pdf
- https://static.usrfiles.com/ugd/b8c837_ce4376c3d3a342f391a01856abd891d4.pdf
- https://static.usrfiles.com/ugd/4b874d_39a2b0b0e2784176a748683723c542aa.pdf
- https://cdn.shopify.com/s/files/1/0428/6034/7551/files/zuzulasur.pdf
- https://cdn.shopify.com/s/files/1/0431/6869/4432/files/6085015773.pdf
- https://cdn.shopify.com/s/files/1/0438/7287/8747/files/rikepimo.pdf
- https://cdn.shopify.com/s/files/1/0431/3654/9018/files/a_very_potter_sequel.pdf
- https://cdn.shopify.com/s/files/1/0451/1694/8633/files/81263064190.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_off00009c16.bin1418c99550ed240a22464ee9e8b5978b6b81c1750ab4b57e6fb2348387d90187 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C16 | 5200 bytes |
font_01_sfnt_off0000adb2.binbf1cc7a26287eef866c84478e4bd6402bddc7fd9c3682768c9e77ec82f3d27b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADB2 | 15012 bytes |
font_02_sfnt_off0000dcf2.bin5010baaf93a2e71493c015c5db234a9b59a0566f4bc60eb3c337d781ad817604 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCF2 | 16348 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.