MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the same URL and document title, suggesting a lure to trick users into clicking the malicious link. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector attack pattern.
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=library+of+congress+political+cartoon+analysis+worksheet
- http://files.agentonthebeach.com/uploads/1/3/1/4/131410158/627985.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/muxolalinurijelibabozafod.pdf
- https://cdn.shopify.com/s/files/1/0435/6934/8763/files/bubelepirifokoga.pdf
- https://cdn.shopify.com/s/files/1/0433/2548/9320/files/22167573194.pdf
- https://cdn.shopify.com/s/files/1/0463/0455/9261/files/49565957967.pdf
- https://cdn.shopify.com/s/files/1/0436/4576/3744/files/nofudaguxutilojo.pdf
- https://cdn.shopify.com/s/files/1/0431/9431/9009/files/rumixejalu.pdf
- https://cdn.shopify.com/s/files/1/0449/6615/0303/files/zafejuveweripofo.pdf
- https://cdn.shopify.com/s/files/1/0437/8371/7015/files/44974709969.pdf
- https://cdn.shopify.com/s/files/1/0448/4064/8861/files/alchemist_code_rerolling_guide.pdf
- https://cdn.shopify.com/s/files/1/0431/5712/7336/files/bijiramojopivawa.pdf
- https://cdn.shopify.com/s/files/1/0432/3098/6400/files/aurelio_s_pizza_menu.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_off00007a1b.binadc19c1ad9ccefdc3b60c110b6a32ddda31ef4d75e683626758e7f39bca4621c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A1B | 5404 bytes |
font_01_sfnt_off00008c83.bin7a482223f696209c28fde7c831d40729d68cb80fec021ea2334a2b6373779153 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C83 | 10492 bytes |
font_02_sfnt_off0000b06e.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB06E | 4324 bytes |
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