MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though malformed, contains a URL that appears to be a lure for downloading 'biology notes'. This URL redirects to `https://ttraff.ru/pify?keyword=biology+notes+for+class+11+pdf+download`, which is flagged as malicious. The PDF also contains a large number of external links, many pointing to shopify domains, suggesting a link farm for SEO manipulation to distribute malicious content.
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=biology+notes+for+class+11+pdf+download
- http://files.plowmancompetition.org/uploads/1/3/0/9/130969389/gijizenusovi-budemik-jarotozutun.pdf
- http://files.frenetik.org/uploads/1/3/1/4/131453493/8768938.pdf
- http://files.healingnotesllc.com/uploads/1/3/0/7/130776381/2402564.pdf
- http://files.annastouch.net/uploads/1/3/1/6/131606533/wosudazawis.pdf
- http://files.livinginnobility.com/uploads/1/3/0/7/130740033/d9aa3416571d.pdf
- https://cdn.shopify.com/s/files/1/0435/2396/5080/files/collection_and_cryopreservation_of_gametes_and_embryos.pdf
- https://cdn.shopify.com/s/files/1/0427/8996/1884/files/gugedozagezulinurip.pdf
- https://cdn.shopify.com/s/files/1/0433/8316/0999/files/jirijuxewugajugu.pdf
- https://cdn.shopify.com/s/files/1/0432/7899/1518/files/9994509110.pdf
- https://cdn.shopify.com/s/files/1/0428/0470/7491/files/xojefebazogokeravepuzunoz.pdf
- https://cdn.shopify.com/s/files/1/0433/1261/1481/files/sports_vocabulary_quiz.pdf
- https://cdn.shopify.com/s/files/1/0432/1945/2063/files/xaguzesuvuza.pdf
- https://cdn.shopify.com/s/files/1/0427/9874/3719/files/firupiwamuxan.pdf
- https://cdn.shopify.com/s/files/1/0434/6960/2978/files/wibeluwabumupi.pdf
- https://cdn.shopify.com/s/files/1/0429/8581/6217/files/jujogopefozewiraletej.pdf
- https://cdn.shopify.com/s/files/1/0431/6728/5408/files/vumumisodu.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_off000069f7.bin9023e88d695da74b185d8de955d9f9eec7b3a781328dda2556d76ccc407cc517 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69F7 | 5408 bytes |
font_01_sfnt_off00007c7f.bin39dbe8499b988a1d95e1b7cd3eda31b8e149d8ae2b5454029cec44c3fae02f3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C7F | 10388 bytes |
font_02_sfnt_off0000a010.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA010 | 4324 bytes |
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