MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link to `https://ttraff.ru/wix?keyword=fisheye+lens+camera+app+for+android`, which is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL and numerous other links to PDF files hosted on `static.usrfiles.com` and `cdn.shopify.com`. This suggests a link farm or redirection strategy to obscure the ultimate malicious destination. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it's part of a phishing or malware distribution effort.
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=fisheye+lens+camera+app+for+android
- https://static.usrfiles.com/ugd/01bc73_db4760cd263b4e8ba6e930f75f6ecf68.pdf
- https://static.usrfiles.com/ugd/b8c837_9697dd7740e74475badebf05d2c73e82.pdf
- https://static.usrfiles.com/ugd/b8c837_255cab9218ea446897b28ca64baf0d1b.pdf
- https://static.usrfiles.com/ugd/1cc7e8_cca87b491ae647a5885fba00f5292124.pdf
- https://static.usrfiles.com/ugd/b8c837_b93d950c2a7e4f6da9e99500f0a1e7d0.pdf
- https://cdn.shopify.com/s/files/1/0432/8567/6188/files/vugegurilulamiwuworuvox.pdf
- https://cdn.shopify.com/s/files/1/0433/4062/8136/files/mavuvotujezapej.pdf
- https://cdn.shopify.com/s/files/1/0432/8515/1897/files/14118670023.pdf
- https://cdn.shopify.com/s/files/1/0434/1386/4602/files/fuvewoxevep.pdf
- https://cdn.shopify.com/s/files/1/0435/5185/0647/files/bach_prelude_cello_suite_1_guitar.pdf
- https://cdn.shopify.com/s/files/1/0430/3860/5461/files/java_dead_code.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_off000063ba.bin46b60958131f6df270c78b564c3d80d0266f7d11695113df1befadfa6e471219 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63BA | 5452 bytes |
font_01_sfnt_off0000761e.bin8243a2978354b99ad9fc1765d3878328d49e2998d0a5549394a0bdfef85e0506 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x761E | 2188 bytes |
font_02_sfnt_off0000803d.binb19517b8e94cf7c4adae3675bc21481e9ad785b6755aca294798a94de607cde5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x803D | 10160 bytes |
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