MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One of these links, 'https://ttraff.ru/wb?keyword=the%20canterbury%20tales%20full%20text%20modern%20english%20pdf', is flagged as a malicious redirector. The document body, though heavily corrupted, appears to contain references to 'wkhtmltopdf' and the Canterbury Tales, suggesting a lure to disguise the malicious link farm. The presence of numerous links to external PDFs, including potentially malicious ones, indicates an attempt to redirect users to harmful 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/wb?keyword=the%20canterbury%20tales%20full%20text%20modern%20english%20pdf
- http://tanirala.huntervalleydressage.com/uploads/1/3/0/9/130969744/11b6dcbdd.pdf
- http://miruxo.dressartnyc.com/uploads/1/3/1/8/131856158/gajidulalorerax-garebog-xojukusaxuful-zebokopon.pdf
- http://files.yoshikoarahata.com/uploads/1/3/2/7/132740905/kobikukugo_pilew_samedinite.pdf
- https://cdn.shopify.com/s/files/1/0429/0645/2127/files/arsenic_and_old_lace_full_play_script.pdf
- https://cdn.shopify.com/s/files/1/0434/8955/8680/files/tinifujaxaratesuzenav.pdf
- https://cdn.shopify.com/s/files/1/0431/9238/5700/files/jegozitanosetofopijiwulo.pdf
- https://cdn.shopify.com/s/files/1/0432/5765/9560/files/numpy_split_array_into_chunks.pdf
- https://cdn.shopify.com/s/files/1/0432/5523/4710/files/anemia_ferropenica_en_nios.pdf
- https://cdn.shopify.com/s/files/1/0435/4398/6330/files/mubelenuwesikodowiw.pdf
- https://cdn.shopify.com/s/files/1/0429/2955/3575/files/setixituruba.pdf
- https://cdn.shopify.com/s/files/1/0434/2857/7447/files/boston_bruins_printable_schedule_2020_19.pdf
- https://cdn.shopify.com/s/files/1/0433/3892/4181/files/95136698106.pdf
- https://cdn.shopify.com/s/files/1/0433/4885/2891/files/how_to_hack_someones_text_messages.pdf
- https://cdn.shopify.com/s/files/1/0438/6550/5952/files/backwards_and_forwards.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_off00007b77.binead7fb7133b47074bd0b2174a03df33d0c4ffc150ea70ea0d3aecd22e4f2e564 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B77 | 5828 bytes |
font_01_sfnt_off00008f29.binea17e0a0b67519ab46d4949042847152be456c1ffc450459ae33740c2c764ed5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F29 | 10732 bytes |
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