MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links and text that mimic a software download lure for 'Bitdefender VPN'. One of the embedded URLs, 'https://ttraff.ru/pify?keyword=bitdefender+vpn+f%25C3%25BCr+android', is flagged as a malicious redirector. The document also hosts a large number of external PDF links, many of which point to Shopify, suggesting a link farm or content distribution network used to host malicious 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=bitdefender+vpn+f%25C3%25BCr+android
- http://simonijil.blugoldsunday.com/uploads/1/3/0/7/130776158/2108563.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/6901/3144/files/88200737993.pdf
- https://cdn.shopify.com/s/files/1/0428/4622/4551/files/sodoketogixeve.pdf
- https://cdn.shopify.com/s/files/1/0431/3962/9218/files/43748399681.pdf
- https://cdn.shopify.com/s/files/1/0431/0332/2269/files/68235328916.pdf
- https://cdn.shopify.com/s/files/1/0437/9944/5664/files/xovolila.pdf
- https://cdn.shopify.com/s/files/1/0437/6756/2391/files/73138079159.pdf
- https://cdn.shopify.com/s/files/1/0429/6146/9596/files/mojezubaga.pdf
- https://cdn.shopify.com/s/files/1/0431/4379/0760/files/munudafiwawolaxufanutow.pdf
- https://cdn.shopify.com/s/files/1/0430/4768/2201/files/sabilepofofuzupixo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/22893269325.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_off0000627a.bin9dbbab5ed88163296dc4ca94528b3d416b2b8c5f1c9d2ec4d874da05a801a9ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x627A | 5052 bytes |
font_01_sfnt_off0000738b.bin4721fee7c2cbf7eea385c0630d58527b015dfb6680d6fa31772c550932ee4157 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x738B | 10580 bytes |
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