MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link farm with numerous external links, many hosted on Shopify, designed to obscure the ultimate destination. One of the primary links, 'https://ttraff.ru/pify?keyword=the+ariane+5+software+failure+pdf', points to a known malicious redirector. The document body, though heavily obfuscated, contains references to the Ariane 5 software failure and the wkhtmltopdf tool, suggesting a lure to disguise malicious activity. The ML classifier 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/pify?keyword=the+ariane+5+software+failure+pdf
- http://vuvegeju.zero-waste-warrior.com/uploads/1/3/2/6/132680813/kijefigejila_bowegezuvuwifag.pdf
- http://files.balancedpets.ca/uploads/1/3/2/6/132682745/5990b46e.pdf
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/forge_these_libraries_failed_to_download.pdf
- https://cdn.shopify.com/s/files/1/0433/9171/3443/files/best_android_graphics_games.pdf
- https://cdn.shopify.com/s/files/1/0432/0477/1999/files/27167653831.pdf
- https://cdn.shopify.com/s/files/1/0433/6176/3480/files/2019_toyota_rav4_android_auto.pdf
- https://cdn.shopify.com/s/files/1/0432/1044/0862/files/kepomipefurirokelakupa.pdf
- https://cdn.shopify.com/s/files/1/0436/7951/4777/files/compositions_of_trig_functions_maze_answers.pdf
- https://cdn.shopify.com/s/files/1/0434/8366/0441/files/sevimikabozezutew.pdf
- https://cdn.shopify.com/s/files/1/0435/1574/0312/files/sesiziz.pdf
- https://cdn.shopify.com/s/files/1/0432/6375/4404/files/livro_areopagitica.pdf
- https://cdn.shopify.com/s/files/1/0432/3983/3767/files/suspicious_eyes_emoji.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b94f.bin4bbcbef9ad1bbf8de01349d6e5bc234ebcadfe1b549b7d4318d7949d77ef5143 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB94F | 5296 bytes |
font_01_sfnt_off0000cb5f.binf57a7385a109ba7e7e3fc3a830244a38be616d8a6e24160b7011f3c0e1c78721 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB5F | 10076 bytes |
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