MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to what appears to be a link farm designed to redirect users to malicious sites. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags a URL leading to ttraff.com, indicating a malicious redirector. The ML classifier also strongly indicated maliciousness.
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/pify?keyword=cockeyed+optimist+sheet+music
- http://jigevep.avhauling.com/uploads/1/3/1/4/131407504/55c89ff.pdf
- http://files.madhulikajha.com/uploads/1/3/1/4/131453365/3253076.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/8396/4324/files/xulopilifexukomikifanavi.pdf
- https://cdn.shopify.com/s/files/1/0437/9148/3042/files/avishai_margalit.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89462818099.pdf
- https://cdn.shopify.com/s/files/1/0440/1758/2230/files/58668262205.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/smacna_duct_construction_standards.pdf
- https://cdn.shopify.com/s/files/1/0432/0008/6180/files/calendario_juliano_2019.pdf
- https://cdn.shopify.com/s/files/1/0433/7437/9173/files/circular_economy_business_models.pdf
- https://cdn.shopify.com/s/files/1/0437/6104/1559/files/bpsc_nursing_result_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0448/1276/3298/files/combining_files_mac.pdf
- https://cdn.shopify.com/s/files/1/0431/5407/9910/files/98697552157.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_off00004457.bin7111710e017e2d2f1c15ba75fccf1ae464eaa8e5abd7705d598e05498220f2d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4457 | 5044 bytes |
font_01_sfnt_off0000556a.bince3bda818e7122d788626a61b5818c9ac573ccfb63c3beebbb55668fff929d2a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x556A | 10020 bytes |
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