MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm pointing to numerous external PDFs, with one primary link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/wix?keyword=comcast+hd+dta+channel+guide, which is flagged as malicious. This suggests the PDF is designed to redirect users to malicious infrastructure, likely for further exploitation or credential harvesting.
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.ru/wix?keyword=comcast+hd+dta+channel+guide
- https://cdn.shopify.com/s/files/1/0460/1158/0575/files/ghatna_chakra_geography_2018_in_english.pdf
- https://cdn.shopify.com/s/files/1/0432/2859/4344/files/quasi_linear_utility_functions.pdf
- https://cdn.shopify.com/s/files/1/0435/0512/3493/files/88852019893.pdf
- https://cdn.shopify.com/s/files/1/0441/0467/9576/files/basic_electronics_textbook_free_download.pdf
- https://static.usrfiles.com/ugd/accd1f_84052455115f4abaac085ffab2b9b040.pdf
- https://static.usrfiles.com/ugd/b56239_7b3e9069c55948fab695c9cceca2fab1.pdf
- https://static.usrfiles.com/ugd/9cb927_96e9fedf555e4a4d8b5e9b3ac4eab4e8.pdf
- https://static.usrfiles.com/ugd/b8c837_3cc6f02fb8b14d88ac3c5a7bb30b2a08.pdf
- https://cdn.shopify.com/s/files/1/0434/1055/5041/files/pusexozanuwemitiga.pdf
- https://cdn.shopify.com/s/files/1/0435/3448/3616/files/jekofofetuwegirademogogo.pdf
- https://static.usrfiles.com/ugd/87a178_d8ff1e59c96940c0a39626e9612b029f.pdf
- https://static.usrfiles.com/ugd/b8c837_7642f6ffc28645288c5cd434533edc10.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_off00006698.bin19d6c40fe7f6e090f7538c24eb573bd1831c916584b596a28ceba5b5af5330a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6698 | 5160 bytes |
font_01_sfnt_off000077f7.bin2ac51f9dfa84d8170d3679787dd2a4e64e5bf6a32b886be40dc39aa516f1ec5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77F7 | 11160 bytes |
font_02_sfnt_off00009dc6.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DC6 | 4324 bytes |
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