MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. This URL is likely used to redirect users to malicious content or further stages of an attack. The document also contains a large number of embedded links, many of which point to Shopify, suggesting a link farm or SEO poisoning tactic to distribute malicious 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.ru/wix?keyword=alecrim+dourado+partitura+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/5829/1093/files/fluent_in_3_months_benny_lewis_free_download.pdf
- https://cdn.shopify.com/s/files/1/0436/4645/1862/files/what_do_pentecostals_wear_to_bed.pdf
- https://cdn.shopify.com/s/files/1/0437/9289/2061/files/67296539994.pdf
- https://cdn.shopify.com/s/files/1/0437/8751/8104/files/zifolatukofazijuke.pdf
- https://cdn.shopify.com/s/files/1/0433/8096/5534/files/joomla_bootstrap_4_template_free.pdf
- https://cdn.shopify.com/s/files/1/0436/3560/5664/files/interview_questions_for_maintenance_manager.pdf
- https://cdn.shopify.com/s/files/1/0432/4841/8973/files/bollywood_songs_video_new.pdf
- https://cdn.shopify.com/s/files/1/0434/0016/7589/files/teaching_phonics_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0437/9626/7165/files/famusa.pdf
- https://cdn.shopify.com/s/files/1/0435/6653/0728/files/50068520201.pdf
- https://cdn.shopify.com/s/files/1/0430/0885/2117/files/kudujisaxudodemuses.pdf
- https://cdn.shopify.com/s/files/1/0437/0599/1322/files/tim_bolen_report.pdf
- https://cdn.shopify.com/s/files/1/0429/3482/9223/files/43985964372.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_off000046aa.binabe1175531b20a9ab192b6af8f072d149b6957dcaa3e6d4d3c4f553ffe57a130 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46AA | 5112 bytes |
font_01_sfnt_off000057ef.bind3aea5da58595099ad3c79f8b0b084d10e6938329ef9320bdc62ae48ab7fcf9e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57EF | 14924 bytes |
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