MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged by multiple critical heuristics for containing malicious redirector links and a large link farm. The ML classifier also strongly indicated maliciousness. The embedded URL 'https://ttraff.ru/pify?keyword=ross+course+guide' is identified as a malicious redirector. The document body contains numerous links, many pointing to shopify.com, but also several to other domains that are likely part of the link farm, suggesting a broad distribution or SEO poisoning tactic to lure users to malicious content.
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=ross+course+guide
- http://files.paradives.net/uploads/1/3/2/6/132680962/27848285c4ec11.pdf
- http://files.mikenoffkemasonry.ca/uploads/1/3/0/7/130776602/5064539.pdf
- http://files.cfohtown.com/uploads/1/3/1/1/131164236/vuzologekovi_fudinigiko_gasejus.pdf
- http://files.teachermomlifeblog.com/uploads/1/3/1/3/131382797/rakemakigiri.pdf
- http://files.whirlpoolservicecenter.net/uploads/1/3/1/0/131070597/77bfb706.pdf
- https://cdn.shopify.com/s/files/1/0430/2631/7473/files/12363819215.pdf
- https://cdn.shopify.com/s/files/1/0431/6017/4754/files/tigulanutubuzeli.pdf
- https://cdn.shopify.com/s/files/1/0432/0804/8808/files/57094694532.pdf
- https://cdn.shopify.com/s/files/1/0436/0372/2402/files/36526905347.pdf
- https://cdn.shopify.com/s/files/1/0433/7968/7574/files/foreach_vs_map.pdf
- https://cdn.shopify.com/s/files/1/0431/1541/3658/files/lerefanin.pdf
- https://cdn.shopify.com/s/files/1/0433/0058/5632/files/senifigotakak.pdf
- https://cdn.shopify.com/s/files/1/0428/3600/0931/files/72779911990.pdf
- https://cdn.shopify.com/s/files/1/0440/6401/4501/files/datuvijupufuxabupokipe.pdf
- https://cdn.shopify.com/s/files/1/0431/5791/3749/files/mivofimenizotiv.pdf
- https://cdn.shopify.com/s/files/1/0432/5844/5979/files/kovirugemitotusofug.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_off000063e8.bin3f97a5b7455899247326a2e0628cc7f969ecbca931811d9c28f253d765fd25fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63E8 | 4872 bytes |
font_01_sfnt_off0000748f.bin1eccb3e5badfada9996cf6e5b1833aecf0b09efe49ae26a7362562012f9ead19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x748F | 11056 bytes |
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