MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded URLs, with one pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, appears to contain a lure related to an 'Altair 4xr manual'. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or a method to obscure the malicious redirector. The ML classifier strongly flagged this PDF as malicious.
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=altair+4xr+manual
- http://fufivomoj.nhconstructionlaw.com/uploads/1/3/0/9/130969284/9658554.pdf
- http://kobugiwaj.hotrodhenrys.com/uploads/1/3/0/7/130739173/67652.pdf
- http://files.margateterrapinrescue.org/uploads/1/3/2/7/132740905/ruxid.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/3609/0269/files/functional_data_analysis_book.pdf
- https://cdn.shopify.com/s/files/1/0427/4061/3286/files/charismatic_leadership_article.pdf
- https://cdn.shopify.com/s/files/1/0433/1841/1417/files/19875389714.pdf
- https://cdn.shopify.com/s/files/1/0429/3161/7945/files/infamous_paper_trail_drone_code.pdf
- https://cdn.shopify.com/s/files/1/0432/2033/6802/files/61375296644.pdf
- https://cdn.shopify.com/s/files/1/0439/0364/7912/files/15357899395.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84302935330.pdf
- https://cdn.shopify.com/s/files/1/0439/4765/5323/files/36359457109.pdf
- https://cdn.shopify.com/s/files/1/0429/4760/8730/files/jovudelaxop.pdf
- https://cdn.shopify.com/s/files/1/0439/8225/8334/files/al_itqan_fi_ulumil_quran.pdf
- https://cdn.shopify.com/s/files/1/0438/8945/9368/files/fixidimabolixekilaf.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_off00005390.bin314dd3c46658453b5a9281502d17bee0dd79148d5b67d7c55d56215c5567efc1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5390 | 4800 bytes |
font_01_sfnt_off000063cb.binaa9bfd472913a936a88903c6d035d2fabe62ff919bfa908db7a3e582e9a0a410 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63CB | 14580 bytes |
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