MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains URLs that are likely part of a link farm designed to improve search engine rankings for malicious content, ultimately leading users to harmful 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.cc/wb?keyword=first%20and%20second%20conditional%20exercises%20pdf%202%20eso
- http://files.perfectlyimperfectcollegian.com/uploads/1/3/0/7/130739780/741ee4126c70ce4.pdf
- http://fimujok.leavesbyjenney.com/uploads/1/3/1/0/131070450/kitew.pdf
- http://xozafez.aei.agency/uploads/1/3/0/8/130874038/ginalebutupolinirev.pdf
- https://cdn.shopify.com/s/files/1/0430/8310/4409/files/kowopajatoliputamijezob.pdf
- https://cdn.shopify.com/s/files/1/0437/3233/6792/files/branches_of_philosophy_download.pdf
- https://cdn.shopify.com/s/files/1/0429/2182/0313/files/core_java_basic_interview_questions_and_answers_for_freshers.pdf
- https://cdn.shopify.com/s/files/1/0440/4455/0294/files/soxemubugiwakipesanefal.pdf
- https://cdn.shopify.com/s/files/1/0430/6190/3517/files/83360474446.pdf
- https://cdn.shopify.com/s/files/1/0427/9821/9420/files/88106727778.pdf
- https://cdn.shopify.com/s/files/1/0427/5588/3175/files/bujimetatipabevo.pdf
- https://cdn.shopify.com/s/files/1/0432/0306/8068/files/ancient_china_civilization.pdf
- https://cdn.shopify.com/s/files/1/0435/0184/6692/files/hannah_arendt_trke.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_off00004332.bin5b0b622f5ee8078afd82fe0b21abf9bcf93d905e1a061e931b828abd3afdb71e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4332 | 5304 bytes |
font_01_sfnt_off0000554c.binb58ab2e764b04efc160e5958b72df8868b2321ee754fadfe235a7128439a493a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x554C | 9380 bytes |
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