MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the same malicious URL, suggesting an attempt to lure users to a potentially harmful site. 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=statutory+auditor+appointment+letter+format+in+word
- http://files.mindregard.com/uploads/1/3/1/8/131856232/lebazijika.pdf
- http://xuxuxo.chicagoconsulateofsweden.org/uploads/1/3/1/1/131163658/vugavosog_nawuwaxe.pdf
- http://files.walkandcycleherefordshire.com/uploads/1/3/1/3/131380354/jamotifut.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/4647/6708/files/ez_go_txt_service_manual_free_download.pdf
- https://cdn.shopify.com/s/files/1/0430/9906/2426/files/ximeloletosaxobafolu.pdf
- https://cdn.shopify.com/s/files/1/0430/1615/9381/files/12480338740.pdf
- https://cdn.shopify.com/s/files/1/0447/8281/3341/files/binomial_coefficient_properties.pdf
- https://cdn.shopify.com/s/files/1/0434/4751/7341/files/synthesize_information_from_relevant_literature.pdf
- https://cdn.shopify.com/s/files/1/0435/1646/1211/files/vcloud_director_9._5._0._3.pdf
- https://cdn.shopify.com/s/files/1/0430/8926/4794/files/abraham_abulafia.pdf
- https://cdn.shopify.com/s/files/1/0432/8400/5032/files/fijebuge.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_off00005b79.bina726b24cb19873f9a7ce6ff02450be0de38d31d5fad5cae6e650bbbce603a67e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B79 | 5304 bytes |
font_01_sfnt_off00006d85.binf331582ef8874b06feb5dc2a889a6efa26d535b7584ee65a1e36c35ed399134b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D85 | 10664 bytes |
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