MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, with one critical link identified as a malicious redirector. The document body, though heavily obfuscated, contains the malicious URL and several benign Shopify URLs, suggesting a link farm technique to disguise the malicious destination. The ML classifier also strongly indicated maliciousness.
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.me/wix?keyword=ayyappa+ringtones++free
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://fedorahosted.org/lohit
- https://cdn.shopify.com/s/files/1/0440/2459/4597/files/medicare_part_d_enrollment_form.pdf
- https://cdn.shopify.com/s/files/1/0431/7410/1149/files/77338532028.pdf
- https://cdn.shopify.com/s/files/1/0432/1030/9787/files/paradise_lost_john_milton.pdf
- https://static.usrfiles.com/ugd/eb5a6a_2cea449c5d034f81b8b582458828eed8.pdf
- https://static.usrfiles.com/ugd/3ab5ed_c46adf82ba044dc9a97621aa5b7ff59d.pdf
- https://static.usrfiles.com/ugd/28146e_7d06a1de7c584ed3873d72a8d9fa6523.pdf
- https://static.usrfiles.com/ugd/1c90dc_c3a53ee62b4048b5b87557c3538348ef.pdf
- https://static.usrfiles.com/ugd/e4a001_3009873696b0435f8150fad598c93151.pdf
- https://static.usrfiles.com/ugd/5360f8_bb382e427e4644eca78d9dd8a17d3650.pdf
- https://cdn.shopify.com/s/files/1/0437/9443/2161/files/gamiran.pdf
- https://cdn.shopify.com/s/files/1/0428/6749/0975/files/34161109526.pdf
- https://cdn.shopify.com/s/files/1/0429/7791/9129/files/73810906420.pdf
- https://cdn.shopify.com/s/files/1/0435/5119/5299/files/mituxatu.pdf
- https://cdn.shopify.com/s/files/1/0439/6164/7262/files/nezatopirexumuridiwomuw.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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004d48.bin68c2ab6c84a0537d26793f297b9f8060f93c4c27ecf7eb9c1b42335315d373a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D48 | 5128 bytes |
font_01_sfnt_off00005edd.binf652c78cf5978e9fe167f3b9392d0eb6fa85a68d7ffa99b8717428c0a52b14c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EDD | 14100 bytes |
font_02_sfnt_off00008b05.bin8c13ce33b773dbe27bcb78ae6ac320627a70030cdfae0796da046b85ff61179d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B05 | 7948 bytes |
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