MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The presence of a 'download button' heuristic and the ML classifier's high confidence score suggest a malicious intent to redirect users to harmful content. The document body contains obfuscated text and URLs, including the identified malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=cdburnerxp+portable+free
- http://venitiw.david-arnebeck.com/uploads/1/3/0/7/130776131/5895191.pdf
- http://rekuxokaf.yonelfashion.com/uploads/1/3/2/8/132814930/bolagipov.pdf
- http://files.sundancecrow.com/uploads/1/3/1/3/131380288/00eb0ecb63.pdf
- http://files.coastalk9c.com/uploads/1/3/0/7/130775180/0f293051ea7.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/2256/5032/files/botepepirofofujojimaxov.pdf
- https://cdn.shopify.com/s/files/1/0432/4923/8179/files/majarutowilobu.pdf
- https://cdn.shopify.com/s/files/1/0430/2517/0595/files/ssh_file_permissions.pdf
- https://cdn.shopify.com/s/files/1/0429/3135/5807/files/codex_gigas_english_translation.pdf
- https://cdn.shopify.com/s/files/1/0452/9124/1634/files/have_been_vs_have_gone_exercises.pdf
- https://cdn.shopify.com/s/files/1/0433/7349/4430/files/13756428050.pdf
- https://cdn.shopify.com/s/files/1/0432/8734/7360/files/android_game_engine_c.pdf
- https://cdn.shopify.com/s/files/1/0429/9322/1783/files/55425346768.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_off000072c4.bine4b95e9a1ec80c7acfc2ac8858d4a02aab6a2b24dc2af9cdf5b2df1be1ced0b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72C4 | 4968 bytes |
font_01_sfnt_off000083b8.bin760e7c5264be3c6943b700114bbc4a06720f75700465f9f031662aae136e4b86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83B8 | 10740 bytes |
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