MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a redirector service, which is a common tactic for distributing malware or leading users to phishing sites. The document body, though heavily obfuscated, contains text related to 'academic writing book pdf free download' and a malicious URL, suggesting a lure to a malicious download or phishing page. The ML classifier also strongly indicated maliciousness.
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=academic+writing+book+pdf+free+download
- http://files.mairiwilson.com/uploads/1/3/1/8/131856071/bapenoladijudaj_pevit_gadogeza.pdf
- http://files.corvisierolaw.com/uploads/1/3/1/3/131383743/590d2457.pdf
- http://files.twerkoutbylynnea.com/uploads/1/3/0/7/130775393/bemin_fewasakakelub.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/8740/4968/files/the_gaming_lemon_gta_5.pdf
- https://cdn.shopify.com/s/files/1/0428/9419/6902/files/18827549346.pdf
- https://cdn.shopify.com/s/files/1/0431/5371/9452/files/82285779827.pdf
- https://cdn.shopify.com/s/files/1/0431/0741/8273/files/63276704677.pdf
- https://cdn.shopify.com/s/files/1/0430/1615/9381/files/dikanubado.pdf
- https://cdn.shopify.com/s/files/1/0431/8865/0142/files/5283212991.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mojarugalemidim.pdf
- https://cdn.shopify.com/s/files/1/0441/1087/2728/files/python_alphabetize_list.pdf
- https://cdn.shopify.com/s/files/1/0434/8785/4749/files/push_files_to_github.pdf
- https://cdn.shopify.com/s/files/1/0427/9320/5916/files/gedupogusasugutubevofemix.pdf
- https://cdn.shopify.com/s/files/1/0431/5840/5271/files/blacksmithing_levelling_guide.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5388/files/82984335194.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_off000060be.bin0b8c7d5dd96d935a944d9a411b8211683bf59f789784bd0417e7c157f76850c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60BE | 5584 bytes |
font_01_sfnt_off000073ba.bin8bbe25c3357b77f8d95a8681dd6b5304deccfee72975240d1ae6977c87c51136 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73BA | 10360 bytes |
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