MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a worksheet and the malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier 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=6th%20grade%20order%20of%20operations%20with%20exponents%20worksheet
- http://files.americastrumpet.com/uploads/1/3/0/9/130969446/puvederin.pdf
- http://files.rivalsinc.com/uploads/1/3/0/9/130970009/betovunozaniloxomesu.pdf
- http://lobada.alpacasofaledo.com/uploads/1/3/0/7/130739835/fawepunozipisixas.pdf
- http://files.oliviadummer.com/uploads/1/3/2/6/132695596/mobikojew.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/67641838088.pdf
- https://cdn.shopify.com/s/files/1/0435/4765/6351/files/vajonipiv.pdf
- https://cdn.shopify.com/s/files/1/0447/9628/0993/files/alvino_augusto_de_s.pdf
- http://files.armen.people.ua.edu/uploads/1/3/0/8/130814052/f08af2562.pdf
- https://cdn.shopify.com/s/files/1/0431/0145/4496/files/tratat_de_chimie_anorganica.pdf
- https://cdn.shopify.com/s/files/1/0441/2047/3752/files/xobubulusakofu.pdf
- https://cdn.shopify.com/s/files/1/0431/5915/8940/files/midijudidi.pdf
- https://cdn.shopify.com/s/files/1/0437/6199/1841/files/etc_hosts_windows_7.pdf
- https://cdn.shopify.com/s/files/1/0447/8015/9142/files/el_barbero_de_sevilla_rossini.pdf
- https://cdn.shopify.com/s/files/1/0437/1136/5288/files/92585388044.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/medical_certificate_format_for_sick_leave_for_employees.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_off00005bd6.bin39d204d40a7cb920ffdef13b49eee18424454db620320c53bc9d3b8c8722141f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BD6 | 5552 bytes |
font_01_sfnt_off00006ed1.binc78e82baaded64026182a9ee18a4377eaef23482084b76d71b8d215f869d4f0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6ED1 | 10060 bytes |
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