MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link leads to a URL that appears to be part of a link farm designed to lure users with search engine optimized PDF download lures. The ML classifier also strongly indicated maliciousness. The primary malicious IOC is the redirector URL, which likely serves as the initial stage for further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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.cc/wb?keyword=antenna%20theory%20balanis%20pdf%20download
- http://files.getgobsmacked.com/uploads/1/3/1/4/131453674/e3674.pdf
- http://files.springvillebaseball.com/uploads/1/3/1/1/131163878/4542659.pdf
- http://files.rhsmorningshow.org/uploads/1/3/1/1/131164387/winaraguzaride_gikagufit_zofev_lukopemegaduju.pdf
- http://gojeko.sbtopics.com/uploads/1/3/2/8/132814074/bezij.pdf
- https://cdn.shopify.com/s/files/1/0429/5560/4121/files/molibom.pdf
- https://cdn.shopify.com/s/files/1/0431/2757/0596/files/zebra_barcode_printer_gk420t.pdf
- https://cdn.shopify.com/s/files/1/0437/7935/8869/files/tracheostomy_nursing_care.pdf
- https://cdn.shopify.com/s/files/1/0430/2562/9347/files/dozexojikaji.pdf
- https://cdn.shopify.com/s/files/1/0435/7606/6211/files/jozamuvitunikuvivalowuta.pdf
- https://cdn.shopify.com/s/files/1/0432/9137/7828/files/buvewalako.pdf
- https://cdn.shopify.com/s/files/1/0440/4989/1478/files/mental_abacus_training.pdf
- https://cdn.shopify.com/s/files/1/0437/7178/9470/files/49438403898.pdf
- https://cdn.shopify.com/s/files/1/0446/6160/4505/files/zoo_tycoon_complete_collection_download_full.pdf
- https://cdn.shopify.com/s/files/1/0433/3695/8104/files/73719151724.pdf
- https://cdn.shopify.com/s/files/1/0429/2768/5799/files/shopify_trust_badges.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005625.bin51b1ba82a11ba7f51e61f57bff4d76148dc65079f00584e6974a3bedb263fce1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5625 | 5452 bytes |
font_01_sfnt_off000068aa.bin3d710a4b121cc3492c3eb33a949758d423697a96dc6070b99fa40abea3aa876d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68AA | 2116 bytes |
font_02_sfnt_off00007275.bin6e956a6929599b565a62a6dc52b66fe04e55617450c1a9007a7130f0985a3600 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7275 | 9956 bytes |
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