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, many of which point to a redirector service. The document body, though obfuscated, contains text related to 'noun clauses sentences' and a URL that appears to be a lure. The ML classifier strongly indicated maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of a link to known 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.ru/wix?keyword=10+examples+of+noun+clauses+sentences
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/ddb60a_bd245362c62d4ff486495fe9c6768316.pdf
- https://static.usrfiles.com/ugd/b8c837_1a844f21c1624ec0968bceebf0a1ccdb.pdf
- https://static.usrfiles.com/ugd/b8c837_2100d23ced5a494985e5751a87342560.pdf
- https://cdn.shopify.com/s/files/1/0434/7917/1222/files/xekosawetegagumapuvi.pdf
- https://cdn.shopify.com/s/files/1/0431/2032/8864/files/rixetalaju.pdf
- https://static.usrfiles.com/ugd/b8c837_d6be4d119454488385e544be8e0be150.pdf
- https://static.usrfiles.com/ugd/a107db_f3c5a2515cd746a598c0685704e0850f.pdf
- https://static.usrfiles.com/ugd/b4609a_7ef4955173d94576a734a8d2894d3afa.pdf
- https://static.usrfiles.com/ugd/b8c837_36015bfecebd4de887802a544476f7cb.pdf
- https://static.usrfiles.com/ugd/8b49c6_3064d38aa36b4409ab866298e99f3f14.pdf
- https://cdn.shopify.com/s/files/1/0434/1222/6206/files/iata_city_codes.pdf
- https://cdn.shopify.com/s/files/1/0437/2329/2822/files/mugezoput.pdf
- https://cdn.shopify.com/s/files/1/0436/3993/1033/files/20877003149.pdf
- https://cdn.shopify.com/s/files/1/0431/5417/8216/files/55447773655.pdf
- https://cdn.shopify.com/s/files/1/0433/8515/9843/files/wufinotabunazakab.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_off00005a13.binef6a468d9fb1899e2b2617595cbc0421b1b628d1adb9a35de1cf7049170a863d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A13 | 5232 bytes |
font_01_sfnt_off00006bd4.bin158d273f31f5745d7890573be91d0899eb572f9a52e21b9798d5537f5b452ee0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BD4 | 10024 bytes |
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