MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains numerous embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic firing indicates a malicious redirector link to 'ttraff.ru'. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=antonin+artaud+biografia+pdf', suggesting a lure to a biography-related PDF that redirects to malicious infrastructure.
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=antonin+artaud+biografia+pdf
- http://files.bookhivebeerclub.com/uploads/1/3/0/9/130969910/f65beae6b726.pdf
- http://files.maureenriley.org/uploads/1/3/1/6/131607054/bunudimiwa-zojiba-ruxuk.pdf
- http://tipinele.wilsonceramicknives.com/uploads/1/3/1/8/131857315/zejererufimaf.pdf
- https://cdn.shopify.com/s/files/1/0432/9147/6133/files/how_to_reset_photoshop_trial.pdf
- https://cdn.shopify.com/s/files/1/0436/6372/0613/files/calendario_lunar_abril_2020.pdf
- https://cdn.shopify.com/s/files/1/0432/9806/2501/files/vibopujurugeto.pdf
- https://cdn.shopify.com/s/files/1/0440/5955/8053/files/kosiguvapuselokuwizirowu.pdf
- https://cdn.shopify.com/s/files/1/0438/6209/8085/files/jemilojiwasak.pdf
- https://cdn.shopify.com/s/files/1/0431/3884/2779/files/rozogoratujanadifulev.pdf
- https://cdn.shopify.com/s/files/1/0432/4186/5375/files/81848133071.pdf
- https://cdn.shopify.com/s/files/1/0433/0058/5636/files/68963581387.pdf
- https://cdn.shopify.com/s/files/1/0432/0457/5387/files/21891919551.pdf
- https://cdn.shopify.com/s/files/1/0431/4673/9866/files/jopojodoxasukukoj.pdf
- https://cdn.shopify.com/s/files/1/0436/4537/0528/files/70580671500.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_off0000ca28.bin9993fe8f67d54e5dd19a8242682bcd3443e67c07f0ec331335bac796ce58607b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA28 | 4892 bytes |
font_01_sfnt_off0000dac7.bind337e1a2be31124be0764b180a638f3aa3cb87fafe858380474f7af256e4f3ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAC7 | 10500 bytes |
font_02_sfnt_off0000fe4a.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE4A | 4324 bytes |
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