MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm of numerous PDF files, with one critical link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the malicious URL and several other benign-looking PDF links, suggesting a social engineering attempt to drive traffic to malicious sites. No scripts were extracted, but the presence of embedded URLs and the link farm heuristic strongly indicate a phishing or redirection attack.
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.com/pify?keyword=large+amount+formal+synonym
- http://files.theagingmusician.com/uploads/1/3/1/4/131453031/9376970.pdf
- http://sexewiriw.adamwestonalbert.com/uploads/1/3/1/4/131437709/lipewore.pdf
- http://files.hautespotdestinations.voyagerwebsites.com/uploads/1/3/0/7/130776407/0943b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/9605/4690/files/reading_strategies_book_free.pdf
- https://cdn.shopify.com/s/files/1/0434/3287/0044/files/apache_commons_cli_example.pdf
- https://cdn.shopify.com/s/files/1/0440/4019/2150/files/shutter_island_putlocker.pdf
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/11765282080.pdf
- https://cdn.shopify.com/s/files/1/0433/1179/2286/files/california_dmv_test_questions_and_answers_2020.pdf
- https://cdn.shopify.com/s/files/1/0431/6574/5312/files/denawafateluniserudozenuj.pdf
- https://cdn.shopify.com/s/files/1/0434/4211/0631/files/bible_history_old_testament.pdf
- https://cdn.shopify.com/s/files/1/0428/5943/0047/files/kikuyu_bible_application.pdf
- https://cdn.shopify.com/s/files/1/0436/2849/5001/files/37444153172.pdf
- https://cdn.shopify.com/s/files/1/0432/8760/9497/files/zifixuximujebom.pdf
- https://cdn.shopify.com/s/files/1/0430/9005/1221/files/42956291797.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_off00006658.bin9fe6f3bcb73eed12ab32e52e44732617c6544bdfe81b41c06ec7703b45f1e30b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6658 | 5132 bytes |
font_01_sfnt_off000077c1.bin9857e40d513d5b7baa7696b7ee8ee7be7a798a4febc7f6d9f6c6937ce595be84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77C1 | 10848 bytes |
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