MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the text 'Basics of excel spreadsheet' and the malicious URL, suggesting a lure. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many hosted on cdn.shopify.com, which are likely part of a link farm to improve search engine ranking for malicious content. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious nature of the file.
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=basics+of+excel+spreadsheet
- http://poremanet.paulguydurbin.com/uploads/1/3/0/7/130775432/vakapizoderidu_marefu_mozugavewolur.pdf
- http://bizuvab.katasangkhae.com/uploads/1/3/1/8/131856005/xipajitekijiw.pdf
- http://files.michaelstiertherapy.com/uploads/1/3/0/7/130776726/bimuroxo.pdf
- http://files.newworldchurch.net/uploads/1/3/1/4/131453333/kixewikegejozited.pdf
- https://cdn.shopify.com/s/files/1/0435/3264/8602/files/facebook_page_category.pdf
- https://cdn.shopify.com/s/files/1/0432/2400/6820/files/fcs_1_fin_guide.pdf
- https://cdn.shopify.com/s/files/1/0431/3595/9191/files/fitapemanat.pdf
- https://cdn.shopify.com/s/files/1/0431/3592/6434/files/72389690988.pdf
- https://cdn.shopify.com/s/files/1/0451/3395/5225/files/mubifibubox.pdf
- https://cdn.shopify.com/s/files/1/0435/2219/5608/files/advantages_and_disadvantages_of_intranet_and_extranet.pdf
- https://cdn.shopify.com/s/files/1/0457/0588/7900/files/microsoft_silverlight_windows_10_32_bit.pdf
- https://cdn.shopify.com/s/files/1/0428/8158/1209/files/mugokafokovineg.pdf
- https://cdn.shopify.com/s/files/1/0433/5511/1589/files/pinejunutaxutogobo.pdf
- https://cdn.shopify.com/s/files/1/0427/8861/8396/files/25081765949.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_off00006c08.bin0e93cb2e94062bf122f4a371784ba8a3016cbe4c687bfe4803d64c4c7d8ef412 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C08 | 5360 bytes |
font_01_sfnt_off00007e37.bin8e4594b99a3c5206b797e7e7e507a682c0ab1df6f79d5464eb1bcd9b5d989af9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E37 | 10044 bytes |
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