MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded URLs, many of which point to link farms designed for SEO manipulation. One prominent URL, 'https://ttraff.com/wb?keyword=electron%20configuration%20pdf%20download#electron+configuration+pdf+download', is identified as a malicious redirector. The document body also contains numerous links to external PDF files, suggesting a lure to download further malicious content or visit compromised sites. The ML classifier 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/wb?keyword=electron%20configuration%20pdf%20download#electron+configuration+pdf+download
- http://files.loveandmercyfdc.com/uploads/1/3/1/8/131857071/tazowirujuvimi.pdf
- http://files.rebeccalynnphotography.net/uploads/1/3/0/8/130874518/4840188.pdf
- http://files.kimkirch.com/uploads/1/3/0/7/130775827/welobozutudirol-fulunim.pdf
- http://files.risingravenband.com/uploads/1/3/1/3/131384018/buvab.pdf
- http://files.theworldofmcewan.com/uploads/1/3/0/7/130738814/gibaja_tawix_wododibura_musimetal.pdf
- http://files.pst4y.org/uploads/1/3/0/7/130738814/piwagitasesesuwatug.pdf
- http://files.exmouthcaninecentre.co.uk/uploads/1/3/0/8/130874128/jenasaj.pdf
- http://files.marriedmarks.com/uploads/1/3/2/8/132816158/wawezanuz-titun-resuta-ponupax.pdf
- http://files.vonderhauswulfgermanshepherd.com/uploads/1/3/0/8/130813797/fivepeno.pdf
- https://nudademexu.files.wordpress.com/2020/06/kadabepalopilubowasi.pdf
- https://gosebiweka941800450.files.wordpress.com/2020/06/xopuxitivujiluxo.pdf
- https://nomakegune.files.wordpress.com/2020/06/77595843194.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_off000042ed.bin75344d8eb5f42bc8c618bbd47965ced0c2026ba8c935ef7a7613a3caabb4720d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x42ED | 5076 bytes |
font_01_sfnt_off0000544e.bin9eabba3a6f0fccaa3b24220fd26cb9f19bd318e7a30cd52b98286faba4149830 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x544E | 9008 bytes |
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