MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO abuse. One critical heuristic identified a link to known malicious redirector infrastructure. The document body contains the same malicious URL and other benign-looking PDF links, reinforcing the lure. No scripts were extracted, but the primary attack pattern involves directing users to potentially malicious sites.
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=casalzinho+humberto+e+ronaldo
- http://lixabe.agiftforgavin.com/uploads/1/3/0/7/130740221/bowul.pdf
- http://dizivepe.artquestltd.com/uploads/1/3/0/8/130874304/mefapum-lilubedozu-jawaxowunereni-nawisozep.pdf
- http://files.robirie.com/uploads/1/3/1/4/131437864/d4ae096e2b9db91.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/9059/9319/files/ap_biology_test_prep_book.pdf
- https://cdn.shopify.com/s/files/1/0438/6629/2389/files/davijugi.pdf
- https://cdn.shopify.com/s/files/1/0429/9682/6273/files/jirowuxejive.pdf
- https://cdn.shopify.com/s/files/1/0433/5940/4197/files/19480722698.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rasebiv.pdf
- https://cdn.shopify.com/s/files/1/0430/2936/4885/files/c_language_interview_questions_and_answers_for_freshers.pdf
- https://cdn.shopify.com/s/files/1/0429/7634/6266/files/15743510863.pdf
- https://cdn.shopify.com/s/files/1/0430/0193/8079/files/everest_base_camp_packing_list.pdf
- https://cdn.shopify.com/s/files/1/0431/3127/3365/files/kerowufatu.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000045fb.bin30a5169057f37128be3bd93bf972e519ad092f191686e5ea6e51261eb4676929 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45FB | 5160 bytes |
font_01_sfnt_off00005753.bin7dcd3339dab942ff9a9154bc9dafbeb13ae4ecd9dbe131b730181ec342a57d17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5753 | 9548 bytes |
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