MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, ttraff.cc, which is designed to lead users to further malicious content. The document also contains a large number of links to PDFs hosted on Shopify, likely as part of a link farm to improve SEO for malicious content. The ML classifier strongly indicated maliciousness, and the presence of embedded URLs confirms the intent to redirect the user.
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=how+to+initialize+an+arraylist+in+java
- http://files.soultouchtherapies.com/uploads/1/3/1/8/131856306/c327f0a657.pdf
- http://files.resenviecon.org/uploads/1/3/0/7/130740231/rufiziv-monuvajufas.pdf
- http://files.abiwright.co.uk/uploads/1/3/0/8/130874278/bokejotirefe_tuboriduxi_rutosimibijab_jiwovop.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/3902/3526/files/35086341977.pdf
- https://cdn.shopify.com/s/files/1/0430/3349/3658/files/viwibigixebimigi.pdf
- https://cdn.shopify.com/s/files/1/0440/2987/0230/files/28782882968.pdf
- https://cdn.shopify.com/s/files/1/0437/5855/1189/files/denuloveso.pdf
- https://cdn.shopify.com/s/files/1/0432/0470/6464/files/96545089806.pdf
- https://cdn.shopify.com/s/files/1/0434/5410/3713/files/gusebivusepokixuvomu.pdf
- https://cdn.shopify.com/s/files/1/0431/2278/6466/files/bolozetuwabiworemilil.pdf
- https://cdn.shopify.com/s/files/1/0428/0346/2303/files/telekugemozifuduz.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/microsoft_windows_search_protocol_host.pdf
- https://cdn.shopify.com/s/files/1/0428/0667/3574/files/19769176309.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_off00006ecf.bin17f34a9970cb5041968af27521f5d0013612bf39f196ca5b3fd8203d8f4b45e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6ECF | 5020 bytes |
font_01_sfnt_off00008011.binb92ddcae5f53d028ef7f5d545c494fe345f1e75daa4b96451c307701fb61e423 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8011 | 14900 bytes |
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