MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm designed to redirect users to malicious content, masquerading as a free download for 'Encyclopedia Americana PDF'. The primary malicious URL identified is https://ttraff.ru/pify?keyword=encyclopedia+americana+pdf+free+download. The document body, though heavily obfuscated, contains references to this URL and numerous other PDF links, indicating a coordinated effort to distribute potentially harmful files.
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/pify?keyword=encyclopedia+americana+pdf+free+download
- http://files.ninatongthaispa.com/uploads/1/3/0/7/130739758/wofap.pdf
- http://files.davideastlee.com/uploads/1/3/0/9/130969166/35e0c239bf.pdf
- http://files.ardentrive.com/uploads/1/3/0/8/130813851/9950012.pdf
- http://files.carriagehousecinema.org/uploads/1/3/1/3/131381066/luburorep.pdf
- http://genafe.sepra-conference.org/uploads/1/3/1/4/131407511/5915411.pdf
- https://cdn.shopify.com/s/files/1/0429/8348/9690/files/verilog_register_file.pdf
- https://cdn.shopify.com/s/files/1/0430/3863/8241/files/movizasutetawafuwasex.pdf
- https://cdn.shopify.com/s/files/1/0427/7967/2735/files/31611293848.pdf
- https://cdn.shopify.com/s/files/1/0431/2717/7380/files/99261276965.pdf
- https://cdn.shopify.com/s/files/1/0434/3755/5868/files/35886209490.pdf
- https://cdn.shopify.com/s/files/1/0427/5326/1724/files/44073421301.pdf
- https://cdn.shopify.com/s/files/1/0433/0913/8075/files/57226519930.pdf
- https://cdn.shopify.com/s/files/1/0435/3222/2615/files/35317450469.pdf
- https://cdn.shopify.com/s/files/1/0438/9348/9832/files/pirefafegov.pdf
- https://cdn.shopify.com/s/files/1/0432/3196/9438/files/cfa_level_1_book_3_free_download.pdf
- https://cdn.shopify.com/s/files/1/0439/1829/5195/files/69232876815.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006267.bin430294101b005c7205a147f8cd97e4e77657cb307a14cd01d846e9e285d006b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6267 | 5276 bytes |
font_01_sfnt_off00007462.bin99577bdc301f4c680ecc4a39804324e2323667cefe02485174e528c6b0a20393 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7462 | 10264 bytes |
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