MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector at `https://ttraff.ru/pify?keyword=planos+arquitectonicos+completos+pdf`. The document body, though heavily obfuscated, also contains this URL and other benign-looking Shopify URLs, suggesting a link farm or SEO poisoning tactic to lure users. The ML classifier strongly indicates 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=planos+arquitectonicos+completos+pdf
- http://files.aratiinternational.com/uploads/1/3/0/8/130874671/5738791.pdf
- http://files.nhstudentwellness.org/uploads/1/3/1/8/131871633/90fcec093.pdf
- http://files.hudsonvalleybookdesign.com/uploads/1/3/0/7/130740563/9112005.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3295/2477/files/87744750388.pdf
- https://cdn.shopify.com/s/files/1/0431/1757/6354/files/54846184504.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bovabokuvuxinapuwukiberem.pdf
- https://cdn.shopify.com/s/files/1/0429/7365/9292/files/vajifojav.pdf
- https://cdn.shopify.com/s/files/1/0430/9558/9013/files/nuvuw.pdf
- https://cdn.shopify.com/s/files/1/0433/7834/4097/files/gosamibusorogabivos.pdf
- https://cdn.shopify.com/s/files/1/0436/9298/2427/files/31654889637.pdf
- https://cdn.shopify.com/s/files/1/0448/4608/8349/files/try_catch_c.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gozoba.pdf
- https://cdn.shopify.com/s/files/1/0441/2270/1976/files/11835688530.pdf
- https://cdn.shopify.com/s/files/1/0437/2011/4344/files/a_guerra_dos_tronos_a_muralha_de_gelo.pdf
- https://cdn.shopify.com/s/files/1/0432/0333/0208/files/jajogikavupezojodajar.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_off00007175.binec0cd63e902d2d13a66bc6b59724b18367d4824a09feace27535904bf063db4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7175 | 5428 bytes |
font_01_sfnt_off000083cf.bine0ab116d17aabdcc71dc14b255d2d572cd5c002b7899897c2063a57f4059c203 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83CF | 11568 bytes |
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