MALICIOUS
94
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.ru, which is disguised as a tutorial guide. The ML classifier also flagged this PDF with high confidence. While no scripts were extracted, the presence of a malicious redirector indicates an attempt to lure the user to a harmful site, likely for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 3
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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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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.ru/pify?keyword=ansys+fluent+tutorial+guide+pdf
- http://zuxokulo.rescueridershorserescue.com/uploads/1/3/2/6/132683014/3bee0cd58b92c.pdf
- http://files.kazquilting.com/uploads/1/3/1/4/131409909/biliwelom_jevikitewa_nunabegeminisol_rapir.pdf
- http://files.soulfoodcafemission.org/uploads/1/3/2/6/132682607/simedanasotubub_virurufagut_soxuwogasuwubaz_zuvowa.pdf
- http://files.azioshsfi.org/uploads/1/3/2/6/132682929/2003446.pdf
- http://files.kurzyhs.info/uploads/1/3/0/8/130874369/7055656.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/6074/6648/files/ctet_answer_key_2020.pdf
- https://cdn.shopify.com/s/files/1/0434/4853/3144/files/58939843880.pdf
- https://cdn.shopify.com/s/files/1/0429/6887/5157/files/23895277153.pdf
- https://cdn.shopify.com/s/files/1/0440/3570/2949/files/29695746756.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38138836364.pdf
- https://cdn.shopify.com/s/files/1/0433/2670/1723/files/arrl_antenna_book_free_download.pdf
- https://cdn.shopify.com/s/files/1/0431/3369/8209/files/80715655378.pdf
- https://cdn.shopify.com/s/files/1/0440/1663/1973/files/xbox_one_controller_windows_7_driver.pdf
- https://cdn.shopify.com/s/files/1/0433/5671/7205/files/1976_cessna_172_poh.pdf
- https://cdn.shopify.com/s/files/1/0427/9618/7815/files/logadepetaxuvi.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_off0002012b.binc2058b2a8d71c3b11b3a4d3919a1f45679a80e9949f40b6d0ac82b5c2331d40f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2012B | 5300 bytes |
font_01_sfnt_off00021347.binb120960bc3a77ce6206a7985bcd42e9909bb86acddfaed7efcd6f3483d9c9786 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21347 | 14136 bytes |
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