MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service. The primary malicious URL identified is ttraff.ru, which is known for malicious redirection. The document body, though heavily obfuscated, contains references to this URL and other benign-looking PDF links, suggesting a link farm designed to obscure malicious activity. The ML classifier also strongly indicated 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.ru/pify?keyword=best+weapon+the+forest
- http://wifopo.introvertthoughts.net/uploads/1/3/1/4/131454012/5a9f327ec.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0463/5669/3154/files/corporate_branding_strategy.pdf
- https://cdn.shopify.com/s/files/1/0436/9770/1032/files/tomufazewi.pdf
- https://cdn.shopify.com/s/files/1/0438/1615/7344/files/icc_model_commercial_agency_contract.pdf
- https://cdn.shopify.com/s/files/1/0459/8693/9047/files/75289783929.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/18410569865.pdf
- https://cdn.shopify.com/s/files/1/0460/1954/3199/files/31773948546.pdf
- https://cdn.shopify.com/s/files/1/0434/4584/6168/files/how_to_move_channels_on_discord_mobile.pdf
- https://cdn.shopify.com/s/files/1/0435/0479/5800/files/english_phonetic_transcription.pdf
- https://cdn.shopify.com/s/files/1/0461/3655/7736/files/beethoven_sonata_pathetique_sheet_music_piano.pdf
- https://cdn.shopify.com/s/files/1/0464/6364/7912/files/76729806254.pdf
- https://cdn.shopify.com/s/files/1/0435/9946/2558/files/12313665879.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_off00004e9c.bin46f803d31dddfccd15ad576b35d0110936d56e332600a3a021c44d7344a2fea8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E9C | 5096 bytes |
font_01_sfnt_off00005ffe.bin207232816a4befff3b37b83c3f351e2198f09bdf49ca22b8437bceea5ae97fae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FFE | 9948 bytes |
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