MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, many of which point to external PDF files, creating a link farm. One of the primary links directs users to a known malicious redirector, disguised with a keyword related to the South African national anthem. The ML classifier also flagged this PDF as malicious with high confidence.
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.link/wix?keyword=the+south+african+national+anthem
- http://files.eastonscoaches.co.uk/uploads/1/3/0/7/130739169/sixawikewose_belelaga_lemode_sevopike.pdf
- http://zonopa.selapfp.org/uploads/1/3/2/3/132302956/7420866.pdf
- http://files.wargamemodelsinohio.com/uploads/1/3/1/0/131070940/tizevaxafixa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/5926b4_dfe4526b894f42df9049cdd7d4d3342e.pdf
- https://static.usrfiles.com/ugd/909b15_6ee182bfa1cd4eda9776279df584a4f3.pdf
- https://static.usrfiles.com/ugd/c2007e_03f85c93756e4e6691eb49ed6d18b0ed.pdf
- https://static.usrfiles.com/ugd/ca300b_e945c05427d544bf9447d668c30ac79a.pdf
- https://static.usrfiles.com/ugd/9d7ad9_ecde143c4a50496f9cdb4c8624490a54.pdf
- https://cdn.shopify.com/s/files/1/0464/0912/1960/files/33545544580.pdf
- https://cdn.shopify.com/s/files/1/0427/4959/1718/files/xalemuzafog.pdf
- https://cdn.shopify.com/s/files/1/0435/5643/8165/files/ruvamasesexekesufimefe.pdf
- https://cdn.shopify.com/s/files/1/0437/7611/4837/files/egyptian_cotton_sheet_sets_queen.pdf
- https://static.usrfiles.com/ugd/b8c837_63be9aad80654b8fbedc3e38fa9dc152.pdf
- https://static.usrfiles.com/ugd/d2759c_f3e349e300a3418bbff863a3983026e4.pdf
- https://static.usrfiles.com/ugd/b30cf0_733de30f1e4c4f0c9c321772ccac07a3.pdf
- https://static.usrfiles.com/ugd/205ae4_32c6ace48c8a467bb967532f9439d723.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_off000064ad.bine4c1112b4d42858b2ca23d64fe65b86e535161bed77f2086bbc97f652df581fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64AD | 5072 bytes |
font_01_sfnt_off000075c0.bin74f2330e8d6f8da7d43d9618f02f1c956d2cf228ba4e1d551fbdfb41eab57b53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75C0 | 10144 bytes |
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