MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The embedded links, such as https://ttraff.com/wix?keyword=canon+music+sheet+with+letters and http://files.flynnmediagroup.com/uploads/1/3/1/3/131378899/raxaduxuxa.pdf, are likely part of a campaign to lure users to malicious sites. No scripts were extracted, but the PDF structure itself is designed for link distribution.
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.com/wix?keyword=canon+music+sheet+with+letters
- http://files.flynnmediagroup.com/uploads/1/3/1/3/131378899/raxaduxuxa.pdf
- http://jixara.kylecarrollart.com/uploads/1/3/1/4/131453540/bewuwefefivit.pdf
- http://files.fishsmarttackle.com/uploads/1/3/1/4/131483184/tizaxedefugun.pdf
- http://files.breadventuresnj.com/uploads/1/3/1/6/131637240/zoware.pdf
- http://jobufoj.maynardsdoco.com/uploads/1/3/2/6/132682883/16212f6.pdf
- https://cdn.shopify.com/s/files/1/0432/5651/2667/files/company_profile_air_conditioning_services.pdf
- https://cdn.shopify.com/s/files/1/0433/9249/9868/files/8884719335.pdf
- https://cdn.shopify.com/s/files/1/0434/7753/2822/files/jemib.pdf
- https://cdn.shopify.com/s/files/1/0435/8524/1245/files/maslows_theory_is_sometimes_called.pdf
- https://cdn.shopify.com/s/files/1/0439/5152/1947/files/19421027736.pdf
- https://static.usrfiles.com/ugd/9757e7_cde1d3eecd4944288e59fc671ab35799.pdf
- https://static.usrfiles.com/ugd/9d869b_517696c2ca8949dd90b563991540da8f.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_off0000782f.binff5c704a8c46223c89b33b63d97dc70ecf008ee93a2260e15076a1197f809351 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x782F | 5036 bytes |
font_01_sfnt_off00008932.bin9e9924c3b353c336736a7e51e32a8f04a1f2bba9db9713037fe85be3130b591b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8932 | 13808 bytes |
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