MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, with a critical heuristic firing indicating a malicious redirector. The primary link, 'https://ttraff.cc/pify?keyword=nstu+admission+circular+pdf+2020+20', is flagged as malicious. The document body, though heavily obfuscated, contains text related to 'Nstu admission circular pdf 2020 20', suggesting a lure to attract users interested in this topic. The presence of numerous external links, many hosted on Shopify, points to a link farm or SEO poisoning tactic to drive traffic to malicious sites.
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/pify?keyword=nstu+admission+circular+pdf+2020+20
- http://files.kravmaga-tokyo.com/uploads/1/3/1/8/131871419/xigulenaxi-kavebizidilebo-zotofutekibize-pefuxafuvimur.pdf
- http://files.dejaliyah.com/uploads/1/3/0/8/130873951/ac541c.pdf
- http://files.writingbeyondmargins.com/uploads/1/3/1/4/131438629/d5812f29761d54.pdf
- http://files.kravmaga-tokyo.com/uploads/1/3/1/8/131871419/xigulenaxi-kavebizidilebo
- https://cdn.shopify.com/s/files/1/0431/1459/4464/files/dikuriwurenonuwisivedatu.pdf
- https://cdn.shopify.com/s/files/1/0427/8000/0423/files/23503506544.pdf
- https://cdn.shopify.com/s/files/1/0432/1745/3211/files/sasazederajudu.pdf
- https://cdn.shopify.com/s/files/1/0434/7677/9174/files/51197736839.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vawis.pdf
- https://cdn.shopify.com/s/files/1/0434/7848/3096/files/17824999191.pdf
- https://cdn.shopify.com/s/files/1/0430/7661/6353/files/xasebepadogofubub.pdf
- https://cdn.shopify.com/s/files/1/0439/3569/5016/files/6954681225.pdf
- https://cdn.shopify.com/s/files/1/0430/6518/0321/files/bumetodalizipadedef.pdf
- https://cdn.shopify.com/s/files/1/0431/0079/9140/files/sifitaroxowubimolokug.pdf
- https://cdn.shopify.com/s/files/1/0433/8152/2599/files/18155096391.pdf
- https://cdn.shopify.com/s/files/1/0434/4853/3142/files/manedezesopiwebedugeko.pdf
- https://cdn.shopify.com/s/files/1/0438/4430/5056/files/88066202187.pdf
- https://cdn.shopify.com/s/files/1/0432/7918/8118/files/zedutunow.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_off00006edd.bin5a45f6905430f71d78fb9344c0e883c1b0efa9a9f227374d0ff4968958d4bc1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EDD | 5308 bytes |
font_01_sfnt_off000080c1.bin1e439db43801e495adc14bc9016295e2dcc2435002a5c608ef06ddb5a1419766 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80C1 | 7552 bytes |
font_02_sfnt_off00009978.bin3399ab802cda26561f762de85fb09b5b8a1d0725898cfb3e8e10df0ec58b9301 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9978 | 10372 bytes |
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