MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning classifier and contains numerous embedded links. One critical heuristic identified a malicious redirector link pointing to 'ttraff.ru', suggesting a phishing or malware distribution attempt. Another heuristic noted a large 'PDF link farm' with 24 external links, many hosted on Shopify, indicating a potential SEO poisoning or link farm strategy to distribute malicious content. The document body contains garbled text but includes the same redirector URL and several Shopify URLs.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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=platform+technology+in+pharmaceutical+ppt
- http://files.historicalartandconsulting.com/uploads/1/3/2/7/132712000/05cc6.pdf
- http://files.karynpearson.ca/uploads/1/3/1/4/131438018/wemerobik.pdf
- https://cdn.shopify.com/s/files/1/0434/3994/7932/files/88599937271.pdf
- https://cdn.shopify.com/s/files/1/0455/6845/8917/files/wepomulom.pdf
- https://cdn.shopify.com/s/files/1/0429/2942/2499/files/59705142754.pdf
- https://cdn.shopify.com/s/files/1/0429/2775/1321/files/14479129975.pdf
- https://cdn.shopify.com/s/files/1/0429/1559/4393/files/18340168800.pdf
- https://cdn.shopify.com/s/files/1/0433/6533/5208/files/nubogefo.pdf
- https://cdn.shopify.com/s/files/1/0428/9105/1161/files/25123758157.pdf
- https://cdn.shopify.com/s/files/1/0428/1909/2647/files/jepokirabazabojuroxek.pdf
- https://cdn.shopify.com/s/files/1/0431/8812/5857/files/lotobab.pdf
- https://cdn.shopify.com/s/files/1/0435/3641/6936/files/3919694745.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_off00008b6e.binf8641eff6a2d970c4694d49e6ed7976a402a19633f8cb33f79b9bfce56d45233 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B6E | 5356 bytes |
font_01_sfnt_off00009d86.bindb333122033fa5e6a009a9b88f76ee67563b92f8ad60d95aef22d8fe4bd81afc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D86 | 10692 bytes |
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