MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a heuristic firing for linking to known malicious redirector infrastructure, specifically 'ttraff.cc'. The document body, though heavily obfuscated, contains a URL that appears to be the same malicious redirector. The file also contains a large number of embedded links, many of which point to Shopify domains, suggesting a link farm or SEO abuse tactic to mask the malicious redirector.
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/wix?keyword=lectoescritura+primer+grado
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/1733/1100/files/pagemaker_document_to_converter_free_download.pdf
- https://cdn.shopify.com/s/files/1/0437/3191/0821/files/les_examens_biologiques.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80884551140.pdf
- https://cdn.shopify.com/s/files/1/0429/6183/0037/files/nordstrom_mission_statement.pdf
- https://static.usrfiles.com/ugd/b8c837_82510f476aff418780b6dab1ffc9593e.pdf
- https://static.usrfiles.com/ugd/b8c837_4646e54ddc0649e38460ee08418bcde8.pdf
- https://cdn.shopify.com/s/files/1/0431/7439/6063/files/ratnakar_assamese_movie_all_song.pdf
- https://cdn.shopify.com/s/files/1/0431/5385/0528/files/4981169003.pdf
- https://static.usrfiles.com/ugd/b8c837_ef533f54c95f4070b708a506e7d2da2d.pdf
- https://static.usrfiles.com/ugd/b8c837_6733231724be44e0b5452b979acb5e2c.pdf
- https://static.usrfiles.com/ugd/b8c837_0c3950af51744499a95e42673eab7dd4.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062c6.bina5b1f0df9a909b6d8eef2295e98dba60673b6d0f26941ea986aada01762be227 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62C6 | 5304 bytes |
font_01_sfnt_off000074b3.bina71dd0fe6b9b4f3022bdefd4aab67586b947a7a60b4d8a3cdf2c5079b4e31692 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74B3 | 11468 bytes |
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