MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and a critical redirector link pointing to malicious infrastructure. The document body, though heavily obfuscated, contains a URL that is also present in the heuristics, indicating a likely attempt to redirect users to malicious content. The presence of numerous external PDF links suggests a SEO-based link farm tactic, likely to improve search engine ranking for 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=developmental+mathematics+2nd+edition+franklin+wright
- http://files.orthodoxservantleaders.com/uploads/1/3/1/4/131407552/redibafemejuxi_vudovirabax.pdf
- http://files.maintenancemanusa.com/uploads/1/3/2/3/132303230/denelude.pdf
- http://files.joelhgarciaphotography.com/uploads/1/3/1/3/131381288/3875121.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3927/6699/files/live_football_tv_streaming_hd_app.pdf
- https://cdn.shopify.com/s/files/1/0434/9244/2264/files/50267005244.pdf
- https://cdn.shopify.com/s/files/1/0434/2336/7335/files/anthropological_definition_of_religion.pdf
- https://cdn.shopify.com/s/files/1/0429/5232/7324/files/define_search_engine.pdf
- https://cdn.shopify.com/s/files/1/0428/3275/6902/files/65256532413.pdf
- https://cdn.shopify.com/s/files/1/0430/6262/4405/files/55292446344.pdf
- https://cdn.shopify.com/s/files/1/0431/6197/6994/files/favozapor.pdf
- https://cdn.shopify.com/s/files/1/0449/8613/8792/files/alternative_investments_caia_level_i_wiley_finance.pdf
- https://cdn.shopify.com/s/files/1/0432/3213/3278/files/tuduw.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71409998288.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_off000053cf.bincb63d8aa905e91edbcfd5876bd1acceb671f273868bb45cd7871a896271a8b25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53CF | 5916 bytes |
font_01_sfnt_off000067e2.bin5e38c8a216e622fd65e8816ee29dcd19da86e76766b24a44716d699562719e04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67E2 | 9876 bytes |
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