MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to obscure the final malicious destination. The document also contains a large number of links to external PDFs hosted on Shopify, suggesting a link farm or SEO poisoning attempt to drive traffic to malicious sites. The ML classifier strongly indicates maliciousness.
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=livro+after+vol+4+pdf
- http://wanupisa.bacmedicaltourism.com/uploads/1/3/1/3/131379578/df47635481.pdf
- http://files.staywhole.net/uploads/1/3/0/8/130813710/7115585.pdf
- http://files.melanieveazey.com/uploads/1/3/0/7/130776611/927560.pdf
- http://files.finalfinishdetailing.com/uploads/1/3/2/7/132710655/levin_linebedanelu_vidaki_vukadidi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/9073/8328/files/11132388395.pdf
- https://cdn.shopify.com/s/files/1/0438/5823/1461/files/23809374042.pdf
- https://cdn.shopify.com/s/files/1/0433/3531/9711/files/76836841526.pdf
- https://cdn.shopify.com/s/files/1/0432/8348/0736/files/sevibi.pdf
- https://cdn.shopify.com/s/files/1/0434/3349/2641/files/55314362783.pdf
- https://cdn.shopify.com/s/files/1/0433/2594/8072/files/viretitorijewami.pdf
- https://cdn.shopify.com/s/files/1/0430/9853/8151/files/65561574375.pdf
- https://cdn.shopify.com/s/files/1/0427/7259/4844/files/83541332677.pdf
- https://cdn.shopify.com/s/files/1/0439/4539/4331/files/gabumilizupi.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/
- http://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ce35.binefd1e25e98ba2fa87e0dcfc37931b9e384bf6f0a8bfe259e3026489b6c6d245a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE35 | 4948 bytes |
font_01_sfnt_off0000df2e.binfe805bd1ee350a31e52cc698652f58870eea954f33e9e706652140c1a7ffbbe3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF2E | 16152 bytes |
font_02_sfnt_off00011274.bind2110df3fb4163718797ee32824ff633c1a9197127e395aa2ffce0abc54d6cad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11274 | 16152 bytes |
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