MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a high number of embedded links, many pointing to benign Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.ru'. This suggests a link farm or SEO poisoning tactic to distribute malicious content. The document body, though heavily obfuscated, contains the same malicious URL and benign URLs, reinforcing the lure. The ML classifier also strongly flagged this PDF as malicious.
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=abelian+group+theory+pdf
- http://files.ecodirectcleaners.com/uploads/1/3/1/4/131453897/dovotefirabik_zaforuxoloput_sujageporatas.pdf
- http://files.emmaroff.com/uploads/1/3/0/7/130776449/labunarewapof.pdf
- http://files.titanwrestlinginstitute.com/uploads/1/3/0/7/130740189/29ba8d65faa5a.pdf
- http://files.gallery109.ca/uploads/1/3/0/9/130969987/7750431.pdf
- http://supanew.patriciarockwellauthor.com/uploads/1/3/0/7/130775607/pazamumow-kukifik-favefawen-pemovemo.pdf
- https://cdn.shopify.com/s/files/1/0438/5207/1074/files/manuel_pour_apprendre_le_japonais.pdf
- https://cdn.shopify.com/s/files/1/0432/8030/2240/files/juwez.pdf
- https://cdn.shopify.com/s/files/1/0436/9950/3257/files/arc_length_word_problems.pdf
- https://cdn.shopify.com/s/files/1/0431/2255/7082/files/17074425620.pdf
- https://cdn.shopify.com/s/files/1/0438/2959/2214/files/cast_int_to_string.pdf
- https://cdn.shopify.com/s/files/1/0440/6060/6616/files/costco_power_washer.pdf
- https://cdn.shopify.com/s/files/1/0431/5496/4637/files/metuwo.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/55749471490.pdf
- https://cdn.shopify.com/s/files/1/0433/4908/2264/files/69849131400.pdf
- https://cdn.shopify.com/s/files/1/0434/7628/7648/files/nifejegenademumivezef.pdf
- https://cdn.shopify.com/s/files/1/0430/7278/2489/files/dotumasutavubeke.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_off00006b46.bin6092b84b70586e197b414853345f701043b40fe88f44f6d4de7c3b0a67495c22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B46 | 5356 bytes |
font_01_sfnt_off00007d7c.bin1d0ce74ff06c0ff3c0876c96259fe24f850134e0a65150597670ff4998c1a51f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D7C | 15460 bytes |
font_02_sfnt_off0000ae06.bindbe967e33345e918d17d6e03b9da7f20bf424cf3034d27a13d6cdfabd0c92bf0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE06 | 16140 bytes |
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