MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a malicious URL, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body also contains the text 'Gmat guide 2019 pdf' and the malicious URL, suggesting a lure to trick users into clicking the link. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, typical of SEO poisoning or link farm abuse to drive traffic 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.club/wix?keyword=gmat+guide+2019+pdf
- http://kuvawolim.mainecsta.org/uploads/1/3/1/4/131437689/6040667.pdf
- http://files.lifeofgraydon.com/uploads/1/3/0/8/130874067/9281528.pdf
- http://deragemiv.eatsquare.co.uk/uploads/1/3/2/6/132680981/wapavexulofe.pdf
- http://files.thetadprinciple.com/uploads/1/3/2/8/132814977/fuputulizu.pdf
- http://fedolejo.iananthonycoleman.com/uploads/1/3/1/0/131070318/39027865.pdf
- https://cdn.shopify.com/s/files/1/0431/7731/2411/files/imf_latest_report_on_liberia.pdf
- https://cdn.shopify.com/s/files/1/0432/9160/7190/files/zelizu.pdf
- https://cdn.shopify.com/s/files/1/0437/3974/2369/files/wuvira.pdf
- https://cdn.shopify.com/s/files/1/0435/2176/9627/files/usps_forms_3533.pdf
- https://cdn.shopify.com/s/files/1/0431/5604/5981/files/libro_antroposofia.pdf
- https://eaee6b7d-e665-4688-9a7b-af6a3de5b2a8.filesusr.com/ugd/b48b60_0090a2314e5c44f4922cf3e36e94dd03.pdf?index=true
- https://eb5cf5bb-e83e-4d8b-849e-85c8b9a1c7e9.filesusr.com/ugd/3b47cb_f05c1493f3a244b0b9c5284ed909fa2a.pdf?index=true
- https://f609f129-1f39-44ab-a7f2-7772707c1bf3.filesusr.com/ugd/cb2bed_838867670a13435bbdb205cafcc3a4a9.pdf?index=true
- https://981fa4d0-001c-4939-af78-fe3a0f0e38ce.filesusr.com/ugd/bc4951_ce712b60cb9a4edc85e947e0d6e146e3.pdf?index=true
- 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_off000185ca.bin282e129d09f88145df61f4f00870f315a9682825ae0a38ad306a86db00ff6c21 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x185CA | 5568 bytes |
font_01_sfnt_off000198b6.bin2a6344e9617f4b36d57f9896c351aafc507fa62224151808d067aa3c6b87fe6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x198B6 | 16572 bytes |
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