MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains URLs that appear to be part of a link farm designed to distribute PDF files. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent.
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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=dailymotion+apk+old
- http://dazugiki.zgas.org/uploads/1/3/2/8/132815296/zovevetafov-pebowejig-desugozediv.pdf
- http://dozulik.iconicplumbingtx.com/uploads/1/3/0/8/130814328/dogiso.pdf
- http://files.huntsvillesidingcontractors.com/uploads/1/3/0/7/130739016/954836.pdf
- http://luwuza.bilgeceingilizce.net/uploads/1/3/2/6/132682883/bc89e3.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/2091/0746/files/tisewatolawizisilim.pdf
- https://cdn.shopify.com/s/files/1/0432/5684/0354/files/tony_hawk_underground_soundtrack.pdf
- https://cdn.shopify.com/s/files/1/0434/2510/4028/files/xivorobil.pdf
- https://cdn.shopify.com/s/files/1/0445/3256/4132/files/fountas_and_pinnell_leveled_book_list.pdf
- https://cdn.shopify.com/s/files/1/0431/3363/2678/files/85010057026.pdf
- https://cdn.shopify.com/s/files/1/0430/1615/9395/files/asc_842_lease_excel_template.pdf
- https://cdn.shopify.com/s/files/1/0427/9618/7815/files/rexikuwofevirataw.pdf
- https://cdn.shopify.com/s/files/1/0431/6997/2384/files/dasomumamudufixigopip.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_off00005b6a.bin02486be397ac99d53f123bdeee35a76e8ddc9904f6105ca0a4341d8dd8794346 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B6A | 4996 bytes |
font_01_sfnt_off00006c63.bin886a1e5f9678ebb638013474b46134a4bad11df1a58d55be37a29cb1bde7a4cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C63 | 11688 bytes |
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