MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a high number of embedded links, with one specifically identified as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains URLs that are part of a link farm, suggesting an attempt to manipulate search engine results or redirect users to 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=libro+automatizacion+industrial+pdf
- http://files.shopcafeparis.com/uploads/1/3/1/0/131071166/3197797.pdf
- http://files.ewsevents.co.uk/uploads/1/3/2/7/132740338/panasime-xibokub.pdf
- http://files.themkdesign.com/uploads/1/3/0/7/130776611/79bfd75b7.pdf
- http://vunosowon.pennedideas.com/uploads/1/3/1/3/131380158/7283561.pdf
- https://cdn.shopify.com/s/files/1/0433/0101/1611/files/64911667342.pdf
- https://cdn.shopify.com/s/files/1/0438/2490/6400/files/momuv.pdf
- https://cdn.shopify.com/s/files/1/0431/0515/7282/files/5117907158.pdf
- https://cdn.shopify.com/s/files/1/0434/1284/8807/files/prueba_de_catalasa_fundamento.pdf
- https://cdn.shopify.com/s/files/1/0429/5042/6780/files/77846998489.pdf
- https://cdn.shopify.com/s/files/1/0436/7355/1001/files/6344326545.pdf
- https://cdn.shopify.com/s/files/1/0434/6567/0806/files/81962824445.pdf
- https://cdn.shopify.com/s/files/1/0430/8982/1845/files/zozoxiputadogowegipive.pdf
- https://cdn.shopify.com/s/files/1/0431/0879/4530/files/29208025300.pdf
- https://cdn.shopify.com/s/files/1/0440/5228/3542/files/77039976298.pdf
- https://cdn.shopify.com/s/files/1/0438/1789/4050/files/define_development_planning.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65621046881.pdf
- https://cdn.shopify.com/s/files/1/0437/1893/4677/files/aptitude_test_paper.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/depuwi.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_off00006562.bin6333c24380dfa716251620a6a5a75227366a27b3b0a0aec3ab777a338a29524a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6562 | 5432 bytes |
font_01_sfnt_off000077cc.bind3d8c6b4b7fa45133b6444c5a50c2c9a7bfc8c032465faae1414ab51941f378e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77CC | 10492 bytes |
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