MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier as malicious and contains numerous embedded links. One critical heuristic identified a link to a known malicious redirector, ttraff.ru, which is likely used to obscure the final destination. Another critical heuristic indicates a PDF link farm, with many links pointing to external PDFs hosted on Shopify and other domains. The document body itself is heavily obfuscated and contains some of these URLs, suggesting a lure or redirection mechanism.
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=lange+case+files+pediatrics+pdf
- http://files.kristygloverportfolio.com/uploads/1/3/2/6/132682327/doxasaviraxozigil.pdf
- http://files.iambornmade.net/uploads/1/3/1/4/131408344/6d58ecd94954105.pdf
- http://files.evelynjuliabodywork.com/uploads/1/3/2/6/132682167/jikijivuf.pdf
- http://zogewive.brandywine.tv/uploads/1/3/1/4/131408027/a450571.pdf
- http://files.mypropertyquestion.com/uploads/1/3/0/8/130813592/lagufun.pdf
- https://cdn.shopify.com/s/files/1/0433/3735/1326/files/vuvuvanexe.pdf
- https://cdn.shopify.com/s/files/1/0430/0183/9775/files/javirepevelisejo.pdf
- https://cdn.shopify.com/s/files/1/0434/5354/6656/files/maths_olympiad_for_class_1_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0430/3886/7607/files/kitepomaretuzusejageja.pdf
- https://cdn.shopify.com/s/files/1/0433/1290/6405/files/astm_pvc_pipe_standards.pdf
- https://cdn.shopify.com/s/files/1/0435/4444/5092/files/apostrophe_worksheet_grade_4.pdf
- https://cdn.shopify.com/s/files/1/0435/1344/6564/files/72847754537.pdf
- https://cdn.shopify.com/s/files/1/0427/8062/3015/files/misasutikageveme.pdf
- https://cdn.shopify.com/s/files/1/0431/1462/7223/files/13867877720.pdf
- https://cdn.shopify.com/s/files/1/0431/2363/8426/files/resenomakilozubuxor.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_off00006644.bin6c5a2e4c8794efa393a2e84373c96a1f502339801c8914ce699d36961b95235a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6644 | 5264 bytes |
font_01_sfnt_off00007839.bindd946436f4e6b241a772d80446c064ca77982f4859c7464b2c6ce434a659a169 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7839 | 9896 bytes |
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