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 specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the same URL found in the heuristic firing, suggesting an attempt to trick users into visiting a malicious site. 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.com/wix?keyword=ebony+schoolgirl+sex
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/6f9b04_9c1c658c319e43d88638c6e7d4812647.pdf
- https://static.usrfiles.com/ugd/158fb9_71e2c0379985421c8a927992df21dedd.pdf
- https://static.usrfiles.com/ugd/b8c837_64245302437a4c9886a89ccfd6744410.pdf
- https://cdn.shopify.com/s/files/1/0431/1279/2221/files/gosuxonipulogikar.pdf
- https://cdn.shopify.com/s/files/1/0440/1243/7662/files/mokizotebivodanawi.pdf
- https://cdn.shopify.com/s/files/1/0431/0636/9703/files/kptcl_recruitment_2020_20.pdf
- https://cdn.shopify.com/s/files/1/0434/9041/0658/files/aprender_a_leer_la_baraja_espaola.pdf
- https://cdn.shopify.com/s/files/1/0431/6492/6111/files/19th_bluebook_citation.pdf
- https://cdn.shopify.com/s/files/1/0432/9907/8299/files/topusoge.pdf
- https://cdn.shopify.com/s/files/1/0432/4638/7367/files/baldor_book.pdf
- https://cdn.shopify.com/s/files/1/0435/6079/6318/files/dukemarululunugigozofu.pdf
- https://cdn.shopify.com/s/files/1/0428/4976/3487/files/86022658871.pdf
- https://static.usrfiles.com/ugd/8de238_564c3e2aa29341d2a1fe6e30b3f3a24a.pdf
- https://static.usrfiles.com/ugd/ab922d_95a191eda77446e0bd6dffaf0f7376b7.pdf
- https://static.usrfiles.com/ugd/b8c837_05f9fd05704643bcb590d79a516f4ca2.pdf
- https://static.usrfiles.com/ugd/b8c837_f0df0ede68d24257857ef5e4911b38e9.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e53.bin66f44dcd58f3a4bddb33d86b0f8be79c7387898a6c4436f5287fe0283f124eaf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E53 | 5116 bytes |
font_01_sfnt_off00007fbe.bind9675675971e888460c074c3b0cc39a60ca153d0333c5d48a94ee7f5333b6249 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FBE | 10312 bytes |
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