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 resources, a common tactic for SEO poisoning and redirecting users to malicious sites. One critical heuristic firing indicates a direct link to a known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=3rd+grade+spelling+words+pdf'. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains references to the malicious URL and benign-looking PDF filenames, suggesting a lure to disguise the malicious intent.
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.cc/pify?keyword=3rd+grade+spelling+words+pdf
- http://files.alexiguitars.com/uploads/1/3/1/1/131164275/rorodepuporisofewu.pdf
- http://pebiluf.cc-sac.org/uploads/1/3/1/4/131452977/livek-kixokekexomupog-xuboxa.pdf
- http://files.abbi.ca/uploads/1/3/2/8/132815388/ec4634d5fb6857c.pdf
- http://files.bunniesandbeyond.org/uploads/1/3/1/3/131379443/04c04182a27c.pdf
- http://tovamasof.anneduffforeducation.com/uploads/1/3/0/8/130874457/wimuno.pdf
- https://cdn.shopify.com/s/files/1/0435/4211/8555/files/phenol_sulfuric_acid_method_for_total_carbohydrates.pdf
- https://cdn.shopify.com/s/files/1/0433/3201/0152/files/amblyopia_adalah.pdf
- https://cdn.shopify.com/s/files/1/0435/1829/6228/files/ancient_history_by_rs_sharma_old_ncert.pdf
- https://cdn.shopify.com/s/files/1/0433/9000/9502/files/cardiopulmonary_assessment_physiotherapy.pdf
- https://cdn.shopify.com/s/files/1/0434/8697/0018/files/35813133530.pdf
- https://cdn.shopify.com/s/files/1/0435/3579/4327/files/tusomexirebuleloparozexav.pdf
- https://cdn.shopify.com/s/files/1/0435/6512/1695/files/70489124783.pdf
- https://cdn.shopify.com/s/files/1/0431/8530/7808/files/96933465119.pdf
- https://cdn.shopify.com/s/files/1/0433/3089/6026/files/81807181608.pdf
- https://cdn.shopify.com/s/files/1/0435/0522/1784/files/32337973715.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_off00006416.bin8a1a772dde4d321e1e27d4d53bbed0ea93ffb02260621327eaff9d7d29d676c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6416 | 5368 bytes |
font_01_sfnt_off00007679.binf263879de03f6719b4c61303cc81f49899c99cc396ea83187f9c0af883bbc465 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7679 | 10428 bytes |
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