MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external websites. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=google+font+awesome+cheatsheet'. The document body, though heavily obfuscated, also contains this URL and other links, suggesting a link farm or redirection scheme designed to lead users to malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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/pify?keyword=google+font+awesome+cheatsheet
- http://koledut.drjustingallantnd.com/uploads/1/3/2/6/132695366/tofimegod-gukusedan-tunabimuv.pdf
- http://files.mrsamystaley.com/uploads/1/3/1/4/131483440/3901238.pdf
- http://files.kylamitsunaga.com/uploads/1/3/0/7/130775950/nulodi.pdf
- https://cdn.shopify.com/s/files/1/0436/7374/7609/files/nevepuxuvadome.pdf
- https://cdn.shopify.com/s/files/1/0431/2078/7613/files/pdf_decrease_file_size.pdf
- https://cdn.shopify.com/s/files/1/0431/3799/0805/files/35761139668.pdf
- https://cdn.shopify.com/s/files/1/0438/8572/3816/files/54654196616.pdf
- https://cdn.shopify.com/s/files/1/0432/2151/6449/files/13034080826.pdf
- https://cdn.shopify.com/s/files/1/0458/5845/5705/files/nomifapimokoteje.pdf
- https://cdn.shopify.com/s/files/1/0438/5836/2518/files/pdf_antropologia_forense.pdf
- https://cdn.shopify.com/s/files/1/0427/9740/0223/files/ledojifobitovumujori.pdf
- https://cdn.shopify.com/s/files/1/0433/9836/5340/files/intro_to_the_design_and_analysis_of_algorithms_levitin.pdf
- https://cdn.shopify.com/s/files/1/0436/4802/4741/files/41708565220.pdf
- https://cdn.shopify.com/s/files/1/0431/5794/6522/files/86150474405.pdf
- https://cdn.shopify.com/s/files/1/0433/9692/3555/files/bmg_bearing_catalogue.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_off00006c5c.bin29a6a0a1c21431600c4a29818520c1675fac62837f21fbdde848df110f9ff2ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C5C | 5320 bytes |
font_01_sfnt_off00007e70.bin12add36023a543d65d89557d9b85db0c76a9dc4b8961255ec449a2764f986f4f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E70 | 13080 bytes |
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