MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file contains numerous embedded links, a common tactic for SEO poisoning and redirecting users to malicious sites. One prominent link, 'https://ttraff.cc/wb?keyword=convert%20pdf%20to%20csv%20api', is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains references to the same URLs, reinforcing the malicious intent.
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.cc/wb?keyword=convert%20pdf%20to%20csv%20api
- http://files.mskenny.com/uploads/1/3/1/4/131454151/lagofurose.pdf
- http://files.thundercounseling.org/uploads/1/3/0/7/130775249/1486454.pdf
- http://files.arthurkeeganbole.com/uploads/1/3/0/7/130739945/1182362.pdf
- http://files.chitchattherapies.com/uploads/1/3/1/4/131437657/5e55d9608a1ca9a.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85286147205.pdf
- https://cdn.shopify.com/s/files/1/0431/0512/4516/files/cattell_iq_test.pdf
- https://cdn.shopify.com/s/files/1/0432/4245/5195/files/dazebeme.pdf
- https://cdn.shopify.com/s/files/1/0434/7920/4006/files/malayalam_calendar_2020_january.pdf
- https://cdn.shopify.com/s/files/1/0432/9881/6150/files/71622604653.pdf
- https://cdn.shopify.com/s/files/1/0437/7369/0017/files/causes_effects_and_solutions_of_land_pollution.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/25424470269.pdf
- https://cdn.shopify.com/s/files/1/0431/0496/0676/files/55036727099.pdf
- https://cdn.shopify.com/s/files/1/0439/4264/1832/files/41307008897.pdf
- https://cdn.shopify.com/s/files/1/0429/9423/7589/files/anchovy_pizza_osrs.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_off00005d8e.binfe507144216706648ce3512f8223b7891cb15a63d9e69d2f3b255be360865756 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D8E | 5080 bytes |
font_01_sfnt_off00006eeb.bin510f4e9fc2daf1afc091b56642667c2abcbc2a9968900b23f19277ef225f1872 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EEB | 10416 bytes |
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