MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to a printer driver, suggesting a lure. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be a user clicking the embedded link, which then redirects to malicious infrastructure.
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=hp+laserjet+p1505n+driver+for+windows+8.1+64+bit
- https://static.usrfiles.com/ugd/b8c837_117d75b6444e4070a4938bab2526fbed.pdf
- https://static.usrfiles.com/ugd/b8c837_af2acc598fac46029e4a7365f27b633d.pdf
- https://static.usrfiles.com/ugd/b8c837_d73749051f7d4100bd8489917850ba5c.pdf
- https://static.usrfiles.com/ugd/b8c837_315e0bff97394a35989d9f9c21f5370a.pdf
- https://static.usrfiles.com/ugd/b8c837_96a059437a0649ac9aaf8f377b63c9d4.pdf
- https://cdn.shopify.com/s/files/1/0427/4218/6150/files/html_to_php_using_mpdf.pdf
- https://cdn.shopify.com/s/files/1/0433/4062/8120/files/regopi.pdf
- https://cdn.shopify.com/s/files/1/0435/4798/4026/files/gijipodiw.pdf
- https://cdn.shopify.com/s/files/1/0435/1311/8872/files/7862557172.pdf
- https://cdn.shopify.com/s/files/1/0434/4948/3426/files/lavokeguvegikavalur.pdf
- https://cdn.shopify.com/s/files/1/0433/6133/7494/files/63342072300.pdf
- https://cdn.shopify.com/s/files/1/0432/3019/9966/files/choosing_statistical_tests.pdf
- https://static.usrfiles.com/ugd/b8c837_61576a07a13746e8856816288984f154.pdf
- https://static.usrfiles.com/ugd/b8c837_19eb905ce2e84e5c9984de8a8255a2fc.pdf
- https://static.usrfiles.com/ugd/b8c837_dd5486c1a5304d9491eac897d1ca0c6a.pdf
- https://static.usrfiles.com/ugd/b8c837_bc503f24417b462ea3bc3be0090d796d.pdf
- https://static.usrfiles.com/ugd/b8c837_fbd1a2af1ae94595991240fcbf6f8176.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006188.bin46baaa34bc5d0e9a507dee4d435e085d0177cb673d3fa969e56f68bce4410cee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6188 | 6152 bytes |
font_01_sfnt_off00007699.bin4764c19f9e2c08840acfd8d2b979432180b1b7df292c9ba4c2bd6ac3650fe275 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7699 | 10020 bytes |
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