MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a high number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The ML classifier strongly indicates maliciousness. The document body contains text related to 'Yfn lucci 56 nights' and the redirector URL, suggesting a lure to external content.
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.cc/pify?keyword=yfn+lucci+56+nights
- http://files.hopewellvalleyhistory.org/uploads/1/3/1/1/131164032/3e0527a.pdf
- http://files.historyneedsyou.com/uploads/1/3/0/8/130873851/waruxaj_megubefof_nepimib_vozuwaz.pdf
- http://files.kmstudioart.com/uploads/1/3/0/9/130969183/9188029.pdf
- http://files.picacookie.com/uploads/1/3/1/6/131606121/68c3fdb8.pdf
- http://files.alejandrodu.com/uploads/1/3/1/8/131858540/jawevobatupuwef_netonupivalerag_kuroxoxon.pdf
- https://cdn.shopify.com/s/files/1/0430/6134/6466/files/gamevimefoseruzu.pdf
- https://cdn.shopify.com/s/files/1/0432/3019/9966/files/tukunagatunedog.pdf
- https://cdn.shopify.com/s/files/1/0427/7954/1671/files/56215165423.pdf
- https://cdn.shopify.com/s/files/1/0433/5671/7224/files/zisoxopinivovafegalup.pdf
- https://cdn.shopify.com/s/files/1/0430/2068/1369/files/89211043099.pdf
- https://cdn.shopify.com/s/files/1/0434/5180/9957/files/29026575589.pdf
- https://cdn.shopify.com/s/files/1/0432/6916/1126/files/najuvanorumafina.pdf
- https://cdn.shopify.com/s/files/1/0436/8069/4437/files/59214660577.pdf
- https://cdn.shopify.com/s/files/1/0429/1988/7001/files/wuzegiwuxerebipe.pdf
- https://cdn.shopify.com/s/files/1/0436/3301/6982/files/84311043910.pdf
- https://cdn.shopify.com/s/files/1/0430/3287/1074/files/mumukudikevajavawo.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006d4b.bin537b59624b0a5b152d263764b7fb4ad218475decd9c09cfd9cf852cb20fa4c5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D4B | 5076 bytes |
font_01_sfnt_off00007e9d.binfee82ced869988e25625367aff15a8841cba269d6c3bcf30f045782fc656cbc0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E9D | 10344 bytes |
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