MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting PDF files, suggesting a link farm or SEO poisoning tactic. One critical heuristic identified a link to a known malicious redirector, ttraff.ru, which is presented in the document body as a sociology textbook. This indicates a likely phishing or malware distribution attempt.
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=aqa+sociology+a+level+book+pdf
- http://files.missyjkennedy.com/uploads/1/3/0/7/130739916/80283c3d.pdf
- http://webejo.10000wordsphotography.com/uploads/1/3/0/8/130814297/zexabexa.pdf
- http://files.bad-for-your-health.com/uploads/1/3/0/9/130969469/mupudirexuferetux.pdf
- http://files.mrwilliams1776.org/uploads/1/3/1/3/131383247/1746748.pdf
- https://cdn.shopify.com/s/files/1/0430/3175/6957/files/2731603167.pdf
- https://cdn.shopify.com/s/files/1/0431/2232/7706/files/collecting_data_worksheets_for_kindergarten.pdf
- https://cdn.shopify.com/s/files/1/0432/3213/3278/files/15154580900.pdf
- https://cdn.shopify.com/s/files/1/0433/6821/8780/files/naremidozem.pdf
- https://cdn.shopify.com/s/files/1/0432/1555/2674/files/47657671602.pdf
- https://cdn.shopify.com/s/files/1/0429/6769/5523/files/45696146155.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rofan.pdf
- https://cdn.shopify.com/s/files/1/0431/4077/6093/files/nuwulumobevuwazi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87294954422.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_off00004436.bin08acf93c8d429370c59968472623d80a28f2bff66de969ddac02c2aa150ec85f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4436 | 5708 bytes |
font_01_sfnt_off000057be.bind8f91457de092996632935b10a595d165c6efb95f6812ef7385ee9bc863b515c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57BE | 9600 bytes |
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