MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, including one pointing to a known malicious redirector at 'ttraff.cc'. The document body, though heavily obfuscated, contains text suggesting it is a 'certificate design format in ms word', which is a common lure. The ML classifier also strongly flagged this PDF as malicious.
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.cc/pify?keyword=certificate+design+format+in+ms+word
- http://files.aoptech.org/uploads/1/3/2/6/132682303/bijuwe_duseru.pdf
- http://files.marcuspatchingcreations.com/uploads/1/3/2/6/132681545/e0104507426.pdf
- http://files.ocalumninorthtexas.com/uploads/1/3/2/6/132683111/df3c5a47e55671.pdf
- https://cdn.shopify.com/s/files/1/0463/1638/8512/files/8248827175.pdf
- https://cdn.shopify.com/s/files/1/0434/6278/7225/files/ketojuvaposetux.pdf
- https://cdn.shopify.com/s/files/1/0437/3187/8049/files/bsf_tradesman_previous_year_question_paper.pdf
- https://cdn.shopify.com/s/files/1/0440/5267/6773/files/beps_action_1_final_report.pdf
- https://cdn.shopify.com/s/files/1/0431/5168/7848/files/24520282956.pdf
- https://cdn.shopify.com/s/files/1/0460/9975/9268/files/halloween_figurative_language_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0432/7643/5612/files/pojajivolomajovarin.pdf
- https://cdn.shopify.com/s/files/1/0429/5183/5811/files/futuxojej.pdf
- https://cdn.shopify.com/s/files/1/0431/2917/6232/files/xomazekunafutitigugudob.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_off000077d3.bina57d02f30aee3d4e4c4055bb51082e3cc0ca0685d5f2a8235c44b13067c5810a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77D3 | 5308 bytes |
font_01_sfnt_off000089d1.bin576df1a204d83d413ad0cd62c31efe8db7a6ab1a4f1d71cdc0f9f6ccc3292ab9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89D1 | 10008 bytes |
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