MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to `https://ttraff.cc/wb?keyword=gmat%20syllabus%20pdf%20download`. This URL is likely used to redirect the user to a malicious site. The document body also contains this URL and a list of other URLs, many hosted on Shopify, which are likely part of a link farm to improve search engine ranking for deceptive content. The ML classifier also strongly flagged this PDF as malicious.
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.cc/wb?keyword=gmat%20syllabus%20pdf%20download
- http://files.smithliving.com/uploads/1/3/2/8/132815054/fexowakusisexu-vifatiwukero-wakuwefi.pdf
- http://files.sgionet.com/uploads/1/3/0/8/130874413/zujojunejiguwimurob.pdf
- http://files.travisroach.com/uploads/1/3/2/7/132710601/majujulox-mesenesofot.pdf
- https://cdn.shopify.com/s/files/1/0432/3452/5352/files/gelopexeza.pdf
- https://cdn.shopify.com/s/files/1/0431/1190/7488/files/2073597495.pdf
- https://cdn.shopify.com/s/files/1/0439/0954/6136/files/vehicle_tracking_system_project_report.pdf
- https://cdn.shopify.com/s/files/1/0434/7537/0136/files/77516300886.pdf
- https://cdn.shopify.com/s/files/1/0432/2131/9837/files/21149113570.pdf
- https://cdn.shopify.com/s/files/1/0430/1222/7225/files/xonizoxovujuzo.pdf
- https://cdn.shopify.com/s/files/1/0432/3491/8568/files/87951320943.pdf
- https://cdn.shopify.com/s/files/1/0431/4392/1820/files/gobamojemabusamilukali.pdf
- https://cdn.shopify.com/s/files/1/0437/8699/3816/files/tipos_de_fibras_textiles.pdf
- https://cdn.shopify.com/s/files/1/0431/2409/7175/files/53467087852.pdf
- https://cdn.shopify.com/s/files/1/0436/7004/4825/files/descriptive_paragraph_about_a_place.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_off00006c02.bin1b829ec55de8cb0b50eb07199af8d2b5d955bfceaa1bba9dd1aaee4202b3bfc3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C02 | 5456 bytes |
font_01_sfnt_off00007e9a.bin243b3a4a7d0c133ad111f11de758c4024d109434e0c356e59858c0500695d7db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E9A | 10488 bytes |
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