MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains a URL that matches the redirector. This suggests the PDF is designed to trick users into visiting a malicious site by appearing to offer a free PDF download.
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=business+administration+books+for+beginners+pdf
- http://files.mcshuki.com/uploads/1/3/0/9/130969399/17cf38ea5f48ce4.pdf
- http://rorexaw.dixielandbandorlando.com/uploads/1/3/0/8/130874493/1452570.pdf
- http://larefes.roundupforautism.org/uploads/1/3/1/6/131636951/pawitorizur-nadiwowutop-fugogide.pdf
- https://cdn.shopify.com/s/files/1/0440/1784/4382/files/bts_fake_love_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0439/1141/3915/files/9647099414.pdf
- https://cdn.shopify.com/s/files/1/0429/0933/5715/files/67548371139.pdf
- https://cdn.shopify.com/s/files/1/0438/3807/9138/files/98594422031.pdf
- https://cdn.shopify.com/s/files/1/0440/9350/5688/files/fupatuxadasowita.pdf
- https://cdn.shopify.com/s/files/1/0432/3917/8399/files/54833795610.pdf
- https://cdn.shopify.com/s/files/1/0436/7518/9401/files/civic_education_free_download.pdf
- https://cdn.shopify.com/s/files/1/0436/0280/4898/files/lubojizarujuxat.pdf
- https://cdn.shopify.com/s/files/1/0431/3759/7607/files/15678862666.pdf
- https://cdn.shopify.com/s/files/1/0432/7368/3100/files/44502663605.pdf
- https://cdn.shopify.com/s/files/1/0428/2118/9788/files/dikegevigikare.pdf
- https://cdn.shopify.com/s/files/1/0430/6888/3098/files/32173457300.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007b47.bin5a20245d149880dadcf54c17a752ad4ec3fe38521975e088baaf8de94e489553 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B47 | 5464 bytes |
font_01_sfnt_off00008dbc.bin417ca962febe2d1b714079870019e3ce49aaf65ff73e99c7fa9a677870fb7db7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DBC | 10108 bytes |
font_02_sfnt_off0000b050.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB050 | 4324 bytes |
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