MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external PDF files, masquerading as a book download. One of the primary links, 'https://ttraff.cc/pify?keyword=automata+and+mechanical+toys+book+pdf', is identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of outbound links, suggesting a tactic to distribute malicious content or engage in SEO manipulation. 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.cc/pify?keyword=automata+and+mechanical+toys+book+pdf
- http://files.mattduffybaseball.com/uploads/1/3/1/3/131380786/2b6f90e42.pdf
- http://files.artistiquedanceacademy.com/uploads/1/3/2/6/132681460/nasogize.pdf
- http://files.tylerputnam.net/uploads/1/3/0/8/130813782/bujojopakusa-tevoziliwoxo-kijosupula-vedev.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/9138/5758/files/nofizoditosiravobijefujed.pdf
- https://cdn.shopify.com/s/files/1/0432/0942/5056/files/meaning_of_social_development.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/giratajolexodomofavewolov.pdf
- https://cdn.shopify.com/s/files/1/0435/2363/7399/files/junuwasomaxuj.pdf
- https://cdn.shopify.com/s/files/1/0436/0224/7838/files/9940599816.pdf
- https://cdn.shopify.com/s/files/1/0428/8570/9987/files/vajutipuwib.pdf
- https://cdn.shopify.com/s/files/1/0428/7594/5113/files/nitotupalasopixil.pdf
- https://cdn.shopify.com/s/files/1/0440/7810/4728/files/vanilla_ui_plus.pdf
- https://cdn.shopify.com/s/files/1/0435/2265/4362/files/83654913578.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_off00004390.binb3425106c539ee2ad4e66106909e29ff306889419d255dec234ea72f82cc839b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4390 | 5596 bytes |
font_01_sfnt_off00005672.bin5e38cfe89e7cf1bb06e782d6305f54764e1650fd00156c1b848e49e9b42b3eba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5672 | 9696 bytes |
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