MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm suggests an attempt to manipulate search engine results or direct users to malicious content. The document body itself is heavily obfuscated and contains the malicious URL.
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=reported+speech+exercises+mixed+types+pdf
- http://vakaj.eleven1church.com/uploads/1/3/0/7/130738894/sexodewotam_vugibeka_wasinogosup_vobit.pdf
- http://dejuxota.cchpcharleswood.org/uploads/1/3/0/8/130814124/xukevoti.pdf
- http://files.northportcarpet.com/uploads/1/3/1/3/131382078/2db4601.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/1512/6692/files/15478477074.pdf
- https://cdn.shopify.com/s/files/1/0434/3644/1767/files/cells_alive_webquest_answer_key.pdf
- https://cdn.shopify.com/s/files/1/0433/7644/3543/files/5050843919.pdf
- https://cdn.shopify.com/s/files/1/0428/3393/6547/files/nedujuwopu.pdf
- https://cdn.shopify.com/s/files/1/0429/7624/7971/files/34597157031.pdf
- https://cdn.shopify.com/s/files/1/0438/4486/2114/files/vunojolomusigumewemibawa.pdf
- https://cdn.shopify.com/s/files/1/0432/3724/5085/files/assessment_of_teaching_assistant_skills.pdf
- https://cdn.shopify.com/s/files/1/0432/2859/4336/files/belajar_bahasa_jepang_apk_pro.pdf
- https://cdn.shopify.com/s/files/1/0435/4031/6319/files/nopote.pdf
- https://cdn.shopify.com/s/files/1/0433/9423/6572/files/vazefikulipobi.pdf
- https://cdn.shopify.com/s/files/1/0428/5123/8047/files/pdf_to_word_converter_download_adobe.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_off000040d3.bin5abd68815d2dd5c9f2a546a0cce456bc0c8f6153155fe65bfbdd652b46f512de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x40D3 | 5332 bytes |
font_01_sfnt_off000052e7.bin99945bcb436f086bc0b6040fca2327ac009770e057cebb13b27cd0307a8eb7ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x52E7 | 9672 bytes |
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