MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO manipulation tactic. One prominent URL, 'https://ttraff.ru/wix?keyword=omicidio+senada+copekovic', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other PDF links, indicating an attempt to direct users to malicious infrastructure.
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.ru/wix?keyword=omicidio+senada+copekovic
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/0049ca_5c3c7e0501ce40f4a1dfe0089d111926.pdf
- https://static.usrfiles.com/ugd/a18aa6_781d70c4b80048bebabc6276b487242e.pdf
- https://static.usrfiles.com/ugd/b5472a_afb1789b336f407086535a9faca9e42a.pdf
- https://static.usrfiles.com/ugd/b8c837_3bb4fb37272b406da07ab29a57205220.pdf
- https://cdn.shopify.com/s/files/1/0459/9100/2279/files/weekly_calendar_template_word_free.pdf
- https://cdn.shopify.com/s/files/1/0433/0936/7454/files/economia_ambiental_charles_kolstad_gratis.pdf
- https://static.usrfiles.com/ugd/82e28d_d547074c7d9b46cab583bc0b270fdd9b.pdf
- https://static.usrfiles.com/ugd/a91264_44d55004e80e41a4bb76a9311370be8d.pdf
- https://static.usrfiles.com/ugd/b8c837_6ba09f16259d4b928415ae6671beac35.pdf
- https://static.usrfiles.com/ugd/82e28d_3c20e15d750a44cd899eebb7137a6dc8.pdf
- https://static.usrfiles.com/ugd/2d1648_63dc98c1964745b78d99fd5b7b78cf7a.pdf
- https://static.usrfiles.com/ugd/0a052f_6f68fc58a503474a9a51c2561daa6b8f.pdf
- https://static.usrfiles.com/ugd/9d66c7_44fe42320654429c8ef05348f0923df8.pdf
- https://static.usrfiles.com/ugd/9b5f63_00d30c464013469eafe837367da0d829.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_off0000644a.binb359bf901f329279f8917af7aee9ece8d77ab2e84e2196d2e8750216570c9fa6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x644A | 5244 bytes |
font_01_sfnt_off00007611.bin29d8f2f556aa2560e9d59b4084da352f14bbe870c9a6c0244616f45ac863a562 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7611 | 10096 bytes |
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