MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is disguised as an annual report. The document also exhibits characteristics of a link farm, with numerous embedded links to other PDF files, likely for SEO manipulation or to host further malicious content. The ML classifier strongly supports the malicious verdict.
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=hansol+technics+annual+report
- http://files.jcaweb.net/uploads/1/3/0/7/130776611/3ea9e956717a7.pdf
- http://vufufole.tightenyourboots.net/uploads/1/3/1/4/131409090/8377799.pdf
- http://romifetop.mouselab.org/uploads/1/3/0/8/130874601/7708976.pdf
- http://files.my-digital-dude.com/uploads/1/3/2/6/132695200/guforajojimuvog.pdf
- https://cdn.shopify.com/s/files/1/0432/5769/2315/files/hernia_hiatal_sintomas.pdf
- https://cdn.shopify.com/s/files/1/0434/2353/1175/files/asciidoctor_maven_central.pdf
- https://cdn.shopify.com/s/files/1/0439/9611/9198/files/automobile_companies_in_chennai.pdf
- https://cdn.shopify.com/s/files/1/0428/3426/4231/files/92298324869.pdf
- https://cdn.shopify.com/s/files/1/0429/6749/8911/files/vabukenexo.pdf
- https://cdn.shopify.com/s/files/1/0439/4683/6123/files/59852791325.pdf
- https://cdn.shopify.com/s/files/1/0431/1279/2225/files/handbook_of_virtue_ethics_in_business_and_management.pdf
- https://cdn.shopify.com/s/files/1/0433/4934/4421/files/aluminum_sheet_metal_thickness_metric.pdf
- https://cdn.shopify.com/s/files/1/0430/3310/0439/files/bopexofakokigoliz.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/55497749658.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_off000052a5.bin3032e3743cdec9629b21468546498b9aa396f3a4ba1f92b52df6788739e085e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x52A5 | 4980 bytes |
font_01_sfnt_off00006387.bin2630d8c0943a76fdb7b6338864b22d257cbdf186931265d80bc739148c78c1eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6387 | 10944 bytes |
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