MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=excel+find+circular+reference'. This indicates an attempt to redirect the user to a malicious site. The document also exhibits characteristics of a link farm, with numerous external PDF links, many hosted on cdn.shopify.com. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted, but the presence of a malicious redirector URL is sufficient to infer a phishing or redirection attack pattern.
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.ru/pify?keyword=excel+find+circular+reference
- http://files.vonderhauswulfgermanshepherd.com/uploads/1/3/0/8/130813797/fivepeno.pdf
- http://files.jamesoakleyhumanist.org/uploads/1/3/2/3/132303061/06479e2557db14.pdf
- http://files.chris6photos.com/uploads/1/3/2/8/132814958/tokewowudifuxo-pojedofobu-kexabanuko.pdf
- http://files.openboxm.com/uploads/1/3/1/4/131408664/4267345.pdf
- https://cdn.shopify.com/s/files/1/0428/9599/9129/files/3577513970.pdf
- https://cdn.shopify.com/s/files/1/0433/0595/9574/files/xadinudazokojikaz.pdf
- https://cdn.shopify.com/s/files/1/0431/6997/2392/files/wizunokokilegasodavomudu.pdf
- https://cdn.shopify.com/s/files/1/0432/6565/4939/files/67919756380.pdf
- https://cdn.shopify.com/s/files/1/0434/8031/8118/files/17587025709.pdf
- https://cdn.shopify.com/s/files/1/0431/9005/9176/files/bufasekeded.pdf
- https://cdn.shopify.com/s/files/1/0430/1540/5725/files/40318310793.pdf
- https://cdn.shopify.com/s/files/1/0431/0604/2023/files/fofefojexedum.pdf
- https://cdn.shopify.com/s/files/1/0436/6001/7814/files/84837023898.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bolosenisom.pdf
- https://cdn.shopify.com/s/files/1/0430/3690/1527/files/guruforufut.pdf
- https://cdn.shopify.com/s/files/1/0440/3865/2069/files/79557911245.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_off000071d2.bind25043c03f78feec73391ed83c23e1fa801e9976f2e8d26b301255552b373ca6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71D2 | 4860 bytes |
font_01_sfnt_off0000826d.bin40fc17afdb9714789a0bfeebdffa1c04f14c83c7fd9de8d80fe9721f3dab5d68 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x826D | 10344 bytes |
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