MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a report, which is a common social engineering tactic to trick users into visiting malicious sites. The ML classifier strongly indicates maliciousness. The primary IOC is the redirector URL, which is part of a link farm designed to attract search engine traffic.
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.com/pify?keyword=linux+kernel+development+report+2018
- http://files.nwaw.com/uploads/1/3/0/8/130814283/102cc33931bc.pdf
- http://sudekijok.globalsportsmarkets.com/uploads/1/3/1/8/131856333/remegiwawujuzeb.pdf
- http://files.rahealtyns.com/uploads/1/3/1/8/131872079/7462172.pdf
- https://cdn.shopify.com/s/files/1/0435/5981/3279/files/biwuxazivol.pdf
- https://cdn.shopify.com/s/files/1/0429/0193/0143/files/mopanawejexup.pdf
- https://cdn.shopify.com/s/files/1/0431/5198/2754/files/habitos_alimentarios_en_los_nios.pdf
- https://cdn.shopify.com/s/files/1/0437/0271/4536/files/autodesk_inventor_stress_analysis_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0437/0713/8201/files/jutoxizabefawakijadi.pdf
- https://cdn.shopify.com/s/files/1/0434/4617/3852/files/dagivi.pdf
- https://cdn.shopify.com/s/files/1/0432/0726/2367/files/zudezesuzafam.pdf
- https://cdn.shopify.com/s/files/1/0432/2656/2722/files/63720254138.pdf
- https://cdn.shopify.com/s/files/1/0431/3127/3365/files/5648933304.pdf
- https://cdn.shopify.com/s/files/1/0429/1559/4393/files/18321125267.pdf
- https://cdn.shopify.com/s/files/1/0462/7093/9285/files/dead_island_game_for_android_free.pdf
- https://cdn.shopify.com/s/files/1/0433/9456/4252/files/3702759548.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_off00017148.bin2b127185b1189962151a1740fe5ec0c490c1ff27acfb1e02bc229501e210f94c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17148 | 5372 bytes |
font_01_sfnt_off0001838c.bin677e086264db81454ace8aa281624cb2d27f51df6b9d3f3dfeffc7f303ad3f00 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1838C | 11284 bytes |
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